2019697960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{619}}^1$

素因数の和:951

約数の個数: 128

約数和(自身を含む): 5342515200

約数和(自身を除く): 3322817240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 271, 280, 301, 344, 430, 542, 602, 619, 860, 1084, 1204, 1238, 1355, 1505, 1720, 1897, 2168, 2408, 2476, 2710, 3010, 3095, 3794, 4333, 4952, 5420, 6020, 6190, 7588, 8666, 9485, 10840, 11653, 12040, 12380, 15176, 17332, 18970, 21665, 23306, 24760, 26617, 34664, 37940, 43330, 46612, 53234, 58265, 75880, 81571, 86660, 93224, 106468, 116530, 133085, 163142, 167749, 173320, 186319, 212936, 233060, 266170, 326284, 335498, 372638, 407855, 466120, 532340, 652568, 670996, 745276, 815710, 838745, 931595, 1064680, 1174243, 1341992, 1490552, 1631420, 1677490, 1863190, 2348486, 3262840, 3354980, 3726380, 4696972, 5871215, 6709960, 7213207, 7452760, 9393944, 11742430, 14426414, 23484860, 28852828, 36066035, 46969720, 50492449, 57705656, 72132070, 100984898, 144264140, 201969796, 252462245, 288528280, 403939592, 504924490, 1009848980, 2019697960]

約数ペア:

[(1, 2019697960), (2, 1009848980), (4, 504924490), (5, 403939592), (7, 288528280), (8, 252462245), (10, 201969796), (14, 144264140), (20, 100984898), (28, 72132070), (35, 57705656), (40, 50492449), (43, 46969720), (56, 36066035), (70, 28852828), (86, 23484860), (140, 14426414), (172, 11742430), (215, 9393944), (271, 7452760), (280, 7213207), (301, 6709960), (344, 5871215), (430, 4696972), (542, 3726380), (602, 3354980), (619, 3262840), (860, 2348486), (1084, 1863190), (1204, 1677490), (1238, 1631420), (1355, 1490552), (1505, 1341992), (1720, 1174243), (1897, 1064680), (2168, 931595), (2408, 838745), (2476, 815710), (2710, 745276), (3010, 670996), (3095, 652568), (3794, 532340), (4333, 466120), (4952, 407855), (5420, 372638), (6020, 335498), (6190, 326284), (7588, 266170), (8666, 233060), (9485, 212936), (10840, 186319), (11653, 173320), (12040, 167749), (12380, 163142), (15176, 133085), (17332, 116530), (18970, 106468), (21665, 93224), (23306, 86660), (24760, 81571), (26617, 75880), (34664, 58265), (37940, 53234), (43330, 46612)]