313634440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1571}}^1$

素因数の和:1643

約数の個数: 128

約数和(自身を含む): 869253120

約数和(自身を除く): 555618680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 92, 115, 124, 140, 155, 161, 184, 217, 230, 248, 280, 310, 322, 434, 460, 620, 644, 713, 805, 868, 920, 1085, 1240, 1288, 1426, 1571, 1610, 1736, 2170, 2852, 3142, 3220, 3565, 4340, 4991, 5704, 6284, 6440, 7130, 7855, 8680, 9982, 10997, 12568, 14260, 15710, 19964, 21994, 24955, 28520, 31420, 36133, 39928, 43988, 48701, 49910, 54985, 62840, 72266, 87976, 97402, 99820, 109970, 144532, 180665, 194804, 199640, 219940, 243505, 252931, 289064, 340907, 361330, 389608, 439880, 487010, 505862, 681814, 722660, 974020, 1011724, 1120123, 1264655, 1363628, 1445320, 1704535, 1948040, 2023448, 2240246, 2529310, 2727256, 3409070, 4480492, 5058620, 5600615, 6818140, 7840861, 8960984, 10117240, 11201230, 13636280, 15681722, 22402460, 31363444, 39204305, 44804920, 62726888, 78408610, 156817220, 313634440]

約数ペア:

[(1, 313634440), (2, 156817220), (4, 78408610), (5, 62726888), (7, 44804920), (8, 39204305), (10, 31363444), (14, 22402460), (20, 15681722), (23, 13636280), (28, 11201230), (31, 10117240), (35, 8960984), (40, 7840861), (46, 6818140), (56, 5600615), (62, 5058620), (70, 4480492), (92, 3409070), (115, 2727256), (124, 2529310), (140, 2240246), (155, 2023448), (161, 1948040), (184, 1704535), (217, 1445320), (230, 1363628), (248, 1264655), (280, 1120123), (310, 1011724), (322, 974020), (434, 722660), (460, 681814), (620, 505862), (644, 487010), (713, 439880), (805, 389608), (868, 361330), (920, 340907), (1085, 289064), (1240, 252931), (1288, 243505), (1426, 219940), (1571, 199640), (1610, 194804), (1736, 180665), (2170, 144532), (2852, 109970), (3142, 99820), (3220, 97402), (3565, 87976), (4340, 72266), (4991, 62840), (5704, 54985), (6284, 49910), (6440, 48701), (7130, 43988), (7855, 39928), (8680, 36133), (9982, 31420), (10997, 28520), (12568, 24955), (14260, 21994), (15710, 19964)]