418428640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^2$

素因数の和:154

約数の個数: 216

約数和(自身を含む): 1233723960

約数和(自身を除く): 815295320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 53, 56, 70, 76, 80, 95, 98, 106, 112, 133, 140, 152, 160, 190, 196, 212, 224, 245, 265, 266, 280, 304, 371, 380, 392, 424, 490, 530, 532, 560, 608, 665, 742, 760, 784, 848, 931, 980, 1007, 1060, 1064, 1120, 1330, 1484, 1520, 1568, 1696, 1855, 1862, 1960, 2014, 2120, 2128, 2597, 2660, 2809, 2968, 3040, 3710, 3724, 3920, 4028, 4240, 4256, 4655, 5035, 5194, 5320, 5618, 5936, 7049, 7420, 7448, 7840, 8056, 8480, 9310, 10070, 10388, 10640, 11236, 11872, 12985, 14045, 14098, 14840, 14896, 16112, 18620, 19663, 20140, 20776, 21280, 22472, 25970, 28090, 28196, 29680, 29792, 32224, 35245, 37240, 39326, 40280, 41552, 44944, 49343, 51940, 53371, 56180, 56392, 59360, 70490, 74480, 78652, 80560, 83104, 89888, 98315, 98686, 103880, 106742, 112360, 112784, 137641, 140980, 148960, 157304, 161120, 196630, 197372, 207760, 213484, 224720, 225568, 246715, 266855, 275282, 281960, 314608, 373597, 393260, 394744, 415520, 426968, 449440, 493430, 533710, 550564, 563920, 629216, 688205, 747194, 786520, 789488, 853936, 986860, 1067420, 1101128, 1127840, 1376410, 1494388, 1573040, 1578976, 1707872, 1867985, 1973720, 2134840, 2202256, 2615179, 2752820, 2988776, 3146080, 3735970, 3947440, 4269680, 4404512, 5230358, 5505640, 5977552, 7471940, 7894880, 8539360, 10460716, 11011280, 11955104, 13075895, 14943880, 20921432, 22022560, 26151790, 29887760, 41842864, 52303580, 59775520, 83685728, 104607160, 209214320, 418428640]

約数ペア:

[(1, 418428640), (2, 209214320), (4, 104607160), (5, 83685728), (7, 59775520), (8, 52303580), (10, 41842864), (14, 29887760), (16, 26151790), (19, 22022560), (20, 20921432), (28, 14943880), (32, 13075895), (35, 11955104), (38, 11011280), (40, 10460716), (49, 8539360), (53, 7894880), (56, 7471940), (70, 5977552), (76, 5505640), (80, 5230358), (95, 4404512), (98, 4269680), (106, 3947440), (112, 3735970), (133, 3146080), (140, 2988776), (152, 2752820), (160, 2615179), (190, 2202256), (196, 2134840), (212, 1973720), (224, 1867985), (245, 1707872), (265, 1578976), (266, 1573040), (280, 1494388), (304, 1376410), (371, 1127840), (380, 1101128), (392, 1067420), (424, 986860), (490, 853936), (530, 789488), (532, 786520), (560, 747194), (608, 688205), (665, 629216), (742, 563920), (760, 550564), (784, 533710), (848, 493430), (931, 449440), (980, 426968), (1007, 415520), (1060, 394744), (1064, 393260), (1120, 373597), (1330, 314608), (1484, 281960), (1520, 275282), (1568, 266855), (1696, 246715), (1855, 225568), (1862, 224720), (1960, 213484), (2014, 207760), (2120, 197372), (2128, 196630), (2597, 161120), (2660, 157304), (2809, 148960), (2968, 140980), (3040, 137641), (3710, 112784), (3724, 112360), (3920, 106742), (4028, 103880), (4240, 98686), (4256, 98315), (4655, 89888), (5035, 83104), (5194, 80560), (5320, 78652), (5618, 74480), (5936, 70490), (7049, 59360), (7420, 56392), (7448, 56180), (7840, 53371), (8056, 51940), (8480, 49343), (9310, 44944), (10070, 41552), (10388, 40280), (10640, 39326), (11236, 37240), (11872, 35245), (12985, 32224), (14045, 29792), (14098, 29680), (14840, 28196), (14896, 28090), (16112, 25970), (18620, 22472), (19663, 21280), (20140, 20776)]