245914890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:284

約数の個数: 128

約数和(自身を含む): 658409472

約数和(自身を除く): 412494582

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 71, 78, 83, 107, 130, 142, 166, 195, 213, 214, 249, 321, 355, 390, 415, 426, 498, 535, 642, 710, 830, 923, 1065, 1070, 1079, 1245, 1391, 1605, 1846, 2130, 2158, 2490, 2769, 2782, 3210, 3237, 4173, 4615, 5395, 5538, 5893, 6474, 6955, 7597, 8346, 8881, 9230, 10790, 11786, 13845, 13910, 15194, 16185, 17679, 17762, 20865, 22791, 26643, 27690, 29465, 32370, 35358, 37985, 41730, 44405, 45582, 53286, 58930, 75970, 76609, 88395, 88810, 98761, 113955, 115453, 133215, 153218, 176790, 197522, 227910, 229827, 230906, 266430, 296283, 346359, 383045, 459654, 493805, 577265, 592566, 630551, 692718, 766090, 987610, 1149135, 1154530, 1261102, 1481415, 1731795, 1891653, 2298270, 2962830, 3152755, 3463590, 3783306, 6305510, 8197163, 9458265, 16394326, 18916530, 24591489, 40985815, 49182978, 81971630, 122957445, 245914890]

約数ペア:

[(1, 245914890), (2, 122957445), (3, 81971630), (5, 49182978), (6, 40985815), (10, 24591489), (13, 18916530), (15, 16394326), (26, 9458265), (30, 8197163), (39, 6305510), (65, 3783306), (71, 3463590), (78, 3152755), (83, 2962830), (107, 2298270), (130, 1891653), (142, 1731795), (166, 1481415), (195, 1261102), (213, 1154530), (214, 1149135), (249, 987610), (321, 766090), (355, 692718), (390, 630551), (415, 592566), (426, 577265), (498, 493805), (535, 459654), (642, 383045), (710, 346359), (830, 296283), (923, 266430), (1065, 230906), (1070, 229827), (1079, 227910), (1245, 197522), (1391, 176790), (1605, 153218), (1846, 133215), (2130, 115453), (2158, 113955), (2490, 98761), (2769, 88810), (2782, 88395), (3210, 76609), (3237, 75970), (4173, 58930), (4615, 53286), (5395, 45582), (5538, 44405), (5893, 41730), (6474, 37985), (6955, 35358), (7597, 32370), (8346, 29465), (8881, 27690), (9230, 26643), (10790, 22791), (11786, 20865), (13845, 17762), (13910, 17679), (15194, 16185)]