90342530

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 179262720

約数和(自身を除く): 88920190

約数列:

[1, 2, 5, 10, 19, 37, 38, 71, 74, 95, 142, 181, 185, 190, 355, 362, 370, 703, 710, 905, 1349, 1406, 1810, 2627, 2698, 3439, 3515, 5254, 6697, 6745, 6878, 7030, 12851, 13135, 13394, 13490, 17195, 25702, 26270, 33485, 34390, 49913, 64255, 66970, 99826, 127243, 128510, 244169, 249565, 254486, 475487, 488338, 499130, 636215, 950974, 1220845, 1272430, 2377435, 2441690, 4754870, 9034253, 18068506, 45171265, 90342530]

約数ペア:

[(1, 90342530), (2, 45171265), (5, 18068506), (10, 9034253), (19, 4754870), (37, 2441690), (38, 2377435), (71, 1272430), (74, 1220845), (95, 950974), (142, 636215), (181, 499130), (185, 488338), (190, 475487), (355, 254486), (362, 249565), (370, 244169), (703, 128510), (710, 127243), (905, 99826), (1349, 66970), (1406, 64255), (1810, 49913), (2627, 34390), (2698, 33485), (3439, 26270), (3515, 25702), (5254, 17195), (6697, 13490), (6745, 13394), (6878, 13135), (7030, 12851)]