55692420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{997}}^1$

素因数の和:1042

約数の個数: 144

約数和(自身を含む): 191136960

約数和(自身を除く): 135444540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 997, 1140, 1330, 1470, 1596, 1862, 1994, 1995, 2660, 2793, 2940, 2991, 3724, 3988, 3990, 4655, 4985, 5586, 5982, 6979, 7980, 9310, 9970, 11172, 11964, 13958, 13965, 14955, 18620, 18943, 19940, 20937, 27916, 27930, 29910, 34895, 37886, 41874, 48853, 55860, 56829, 59820, 69790, 75772, 83748, 94715, 97706, 104685, 113658, 132601, 139580, 146559, 189430, 195412, 209370, 227316, 244265, 265202, 284145, 293118, 378860, 397803, 418740, 488530, 530404, 568290, 586236, 663005, 732795, 795606, 928207, 977060, 1136580, 1326010, 1465590, 1591212, 1856414, 1989015, 2652020, 2784621, 2931180, 3712828, 3978030, 4641035, 5569242, 7956060, 9282070, 11138484, 13923105, 18564140, 27846210, 55692420]

約数ペア:

[(1, 55692420), (2, 27846210), (3, 18564140), (4, 13923105), (5, 11138484), (6, 9282070), (7, 7956060), (10, 5569242), (12, 4641035), (14, 3978030), (15, 3712828), (19, 2931180), (20, 2784621), (21, 2652020), (28, 1989015), (30, 1856414), (35, 1591212), (38, 1465590), (42, 1326010), (49, 1136580), (57, 977060), (60, 928207), (70, 795606), (76, 732795), (84, 663005), (95, 586236), (98, 568290), (105, 530404), (114, 488530), (133, 418740), (140, 397803), (147, 378860), (190, 293118), (196, 284145), (210, 265202), (228, 244265), (245, 227316), (266, 209370), (285, 195412), (294, 189430), (380, 146559), (399, 139580), (420, 132601), (490, 113658), (532, 104685), (570, 97706), (588, 94715), (665, 83748), (735, 75772), (798, 69790), (931, 59820), (980, 56829), (997, 55860), (1140, 48853), (1330, 41874), (1470, 37886), (1596, 34895), (1862, 29910), (1994, 27930), (1995, 27916), (2660, 20937), (2793, 19940), (2940, 18943), (2991, 18620), (3724, 14955), (3988, 13965), (3990, 13958), (4655, 11964), (4985, 11172), (5586, 9970), (5982, 9310), (6979, 7980)]