290422020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{571}}^1$

素因数の和:770

約数の個数: 144

約数和(自身を含む): 953080128

約数和(自身を除く): 662658108

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 173, 196, 210, 245, 294, 346, 420, 490, 519, 571, 588, 692, 735, 865, 980, 1038, 1142, 1211, 1470, 1713, 1730, 2076, 2284, 2422, 2595, 2855, 2940, 3426, 3460, 3633, 3997, 4844, 5190, 5710, 6055, 6852, 7266, 7994, 8477, 8565, 10380, 11420, 11991, 12110, 14532, 15988, 16954, 17130, 18165, 19985, 23982, 24220, 25431, 27979, 33908, 34260, 36330, 39970, 42385, 47964, 50862, 55958, 59955, 72660, 79940, 83937, 84770, 98783, 101724, 111916, 119910, 127155, 139895, 167874, 169540, 197566, 239820, 254310, 279790, 296349, 335748, 395132, 419685, 493915, 508620, 559580, 592698, 691481, 839370, 987830, 1185396, 1382962, 1481745, 1678740, 1975660, 2074443, 2765924, 2963490, 3457405, 4148886, 4840367, 5926980, 6914810, 8297772, 9680734, 10372215, 13829620, 14521101, 19361468, 20744430, 24201835, 29042202, 41488860, 48403670, 58084404, 72605505, 96807340, 145211010, 290422020]

約数ペア:

[(1, 290422020), (2, 145211010), (3, 96807340), (4, 72605505), (5, 58084404), (6, 48403670), (7, 41488860), (10, 29042202), (12, 24201835), (14, 20744430), (15, 19361468), (20, 14521101), (21, 13829620), (28, 10372215), (30, 9680734), (35, 8297772), (42, 6914810), (49, 5926980), (60, 4840367), (70, 4148886), (84, 3457405), (98, 2963490), (105, 2765924), (140, 2074443), (147, 1975660), (173, 1678740), (196, 1481745), (210, 1382962), (245, 1185396), (294, 987830), (346, 839370), (420, 691481), (490, 592698), (519, 559580), (571, 508620), (588, 493915), (692, 419685), (735, 395132), (865, 335748), (980, 296349), (1038, 279790), (1142, 254310), (1211, 239820), (1470, 197566), (1713, 169540), (1730, 167874), (2076, 139895), (2284, 127155), (2422, 119910), (2595, 111916), (2855, 101724), (2940, 98783), (3426, 84770), (3460, 83937), (3633, 79940), (3997, 72660), (4844, 59955), (5190, 55958), (5710, 50862), (6055, 47964), (6852, 42385), (7266, 39970), (7994, 36330), (8477, 34260), (8565, 33908), (10380, 27979), (11420, 25431), (11991, 24220), (12110, 23982), (14532, 19985), (15988, 18165), (16954, 17130)]