139335420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{571}}^1$

素因数の和:680

約数の個数: 144

約数和(自身を含む): 460107648

約数和(自身を除く): 320772228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 83, 84, 98, 105, 140, 147, 166, 196, 210, 245, 249, 294, 332, 415, 420, 490, 498, 571, 581, 588, 735, 830, 980, 996, 1142, 1162, 1245, 1470, 1660, 1713, 1743, 2284, 2324, 2490, 2855, 2905, 2940, 3426, 3486, 3997, 4067, 4980, 5710, 5810, 6852, 6972, 7994, 8134, 8565, 8715, 11420, 11620, 11991, 12201, 15988, 16268, 17130, 17430, 19985, 20335, 23982, 24402, 27979, 34260, 34860, 39970, 40670, 47393, 47964, 48804, 55958, 59955, 61005, 79940, 81340, 83937, 94786, 111916, 119910, 122010, 139895, 142179, 167874, 189572, 236965, 239820, 244020, 279790, 284358, 331751, 335748, 419685, 473930, 559580, 568716, 663502, 710895, 839370, 947860, 995253, 1327004, 1421790, 1658755, 1678740, 1990506, 2322257, 2843580, 3317510, 3981012, 4644514, 4976265, 6635020, 6966771, 9289028, 9952530, 11611285, 13933542, 19905060, 23222570, 27867084, 34833855, 46445140, 69667710, 139335420]

約数ペア:

[(1, 139335420), (2, 69667710), (3, 46445140), (4, 34833855), (5, 27867084), (6, 23222570), (7, 19905060), (10, 13933542), (12, 11611285), (14, 9952530), (15, 9289028), (20, 6966771), (21, 6635020), (28, 4976265), (30, 4644514), (35, 3981012), (42, 3317510), (49, 2843580), (60, 2322257), (70, 1990506), (83, 1678740), (84, 1658755), (98, 1421790), (105, 1327004), (140, 995253), (147, 947860), (166, 839370), (196, 710895), (210, 663502), (245, 568716), (249, 559580), (294, 473930), (332, 419685), (415, 335748), (420, 331751), (490, 284358), (498, 279790), (571, 244020), (581, 239820), (588, 236965), (735, 189572), (830, 167874), (980, 142179), (996, 139895), (1142, 122010), (1162, 119910), (1245, 111916), (1470, 94786), (1660, 83937), (1713, 81340), (1743, 79940), (2284, 61005), (2324, 59955), (2490, 55958), (2855, 48804), (2905, 47964), (2940, 47393), (3426, 40670), (3486, 39970), (3997, 34860), (4067, 34260), (4980, 27979), (5710, 24402), (5810, 23982), (6852, 20335), (6972, 19985), (7994, 17430), (8134, 17130), (8565, 16268), (8715, 15988), (11420, 12201), (11620, 11991)]