402425275

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 619747040

約数和(自身を除く): 217321765

約数列:

[1, 5, 7, 17, 25, 35, 73, 85, 109, 119, 175, 289, 365, 425, 511, 545, 595, 763, 1241, 1445, 1825, 1853, 2023, 2555, 2725, 2975, 3815, 6205, 7225, 7957, 8687, 9265, 10115, 12775, 12971, 19075, 21097, 31025, 31501, 39785, 43435, 46325, 50575, 55699, 64855, 105485, 135269, 147679, 157505, 198925, 217175, 220507, 278495, 324275, 527425, 676345, 738395, 787525, 946883, 1102535, 1392475, 2299573, 3381725, 3691975, 4734415, 5512675, 11497865, 16097011, 23672075, 57489325, 80485055, 402425275]

約数ペア:

[(1, 402425275), (5, 80485055), (7, 57489325), (17, 23672075), (25, 16097011), (35, 11497865), (73, 5512675), (85, 4734415), (109, 3691975), (119, 3381725), (175, 2299573), (289, 1392475), (365, 1102535), (425, 946883), (511, 787525), (545, 738395), (595, 676345), (763, 527425), (1241, 324275), (1445, 278495), (1825, 220507), (1853, 217175), (2023, 198925), (2555, 157505), (2725, 147679), (2975, 135269), (3815, 105485), (6205, 64855), (7225, 55699), (7957, 50575), (8687, 46325), (9265, 43435), (10115, 39785), (12775, 31501), (12971, 31025), (19075, 21097)]