251737360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{853}}^1$

素因数の和:921

約数の個数: 160

約数和(自身を含む): 731953152

約数和(自身を除く): 480215792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 34, 35, 40, 56, 62, 68, 70, 80, 85, 112, 119, 124, 136, 140, 155, 170, 217, 238, 248, 272, 280, 310, 340, 434, 476, 496, 527, 560, 595, 620, 680, 853, 868, 952, 1054, 1085, 1190, 1240, 1360, 1706, 1736, 1904, 2108, 2170, 2380, 2480, 2635, 3412, 3472, 3689, 4216, 4265, 4340, 4760, 5270, 5971, 6824, 7378, 8432, 8530, 8680, 9520, 10540, 11942, 13648, 14501, 14756, 17060, 17360, 18445, 21080, 23884, 26443, 29002, 29512, 29855, 34120, 36890, 42160, 47768, 52886, 58004, 59024, 59710, 68240, 72505, 73780, 95536, 101507, 105772, 116008, 119420, 132215, 145010, 147560, 185101, 203014, 211544, 232016, 238840, 264430, 290020, 295120, 370202, 406028, 423088, 449531, 477680, 507535, 528860, 580040, 740404, 812056, 899062, 925505, 1015070, 1057720, 1160080, 1480808, 1624112, 1798124, 1851010, 2030140, 2115440, 2247655, 2961616, 3146717, 3596248, 3702020, 4060280, 4495310, 6293434, 7192496, 7404040, 8120560, 8990620, 12586868, 14808080, 15733585, 17981240, 25173736, 31467170, 35962480, 50347472, 62934340, 125868680, 251737360]

約数ペア:

[(1, 251737360), (2, 125868680), (4, 62934340), (5, 50347472), (7, 35962480), (8, 31467170), (10, 25173736), (14, 17981240), (16, 15733585), (17, 14808080), (20, 12586868), (28, 8990620), (31, 8120560), (34, 7404040), (35, 7192496), (40, 6293434), (56, 4495310), (62, 4060280), (68, 3702020), (70, 3596248), (80, 3146717), (85, 2961616), (112, 2247655), (119, 2115440), (124, 2030140), (136, 1851010), (140, 1798124), (155, 1624112), (170, 1480808), (217, 1160080), (238, 1057720), (248, 1015070), (272, 925505), (280, 899062), (310, 812056), (340, 740404), (434, 580040), (476, 528860), (496, 507535), (527, 477680), (560, 449531), (595, 423088), (620, 406028), (680, 370202), (853, 295120), (868, 290020), (952, 264430), (1054, 238840), (1085, 232016), (1190, 211544), (1240, 203014), (1360, 185101), (1706, 147560), (1736, 145010), (1904, 132215), (2108, 119420), (2170, 116008), (2380, 105772), (2480, 101507), (2635, 95536), (3412, 73780), (3472, 72505), (3689, 68240), (4216, 59710), (4265, 59024), (4340, 58004), (4760, 52886), (5270, 47768), (5971, 42160), (6824, 36890), (7378, 34120), (8432, 29855), (8530, 29512), (8680, 29002), (9520, 26443), (10540, 23884), (11942, 21080), (13648, 18445), (14501, 17360), (14756, 17060)]