437573890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:547

約数の個数: 64

約数和(自身を含む): 868008960

約数和(自身を除く): 430435070

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 137, 158, 274, 311, 395, 622, 685, 790, 1027, 1370, 1555, 1781, 2054, 3110, 3562, 4043, 5135, 8086, 8905, 10270, 10823, 17810, 20215, 21646, 24569, 40430, 42607, 49138, 54115, 85214, 108230, 122845, 140699, 213035, 245690, 281398, 319397, 426070, 553891, 638794, 703495, 1107782, 1406990, 1596985, 2769455, 3193970, 3365953, 5538910, 6731906, 16829765, 33659530, 43757389, 87514778, 218786945, 437573890]

約数ペア:

[(1, 437573890), (2, 218786945), (5, 87514778), (10, 43757389), (13, 33659530), (26, 16829765), (65, 6731906), (79, 5538910), (130, 3365953), (137, 3193970), (158, 2769455), (274, 1596985), (311, 1406990), (395, 1107782), (622, 703495), (685, 638794), (790, 553891), (1027, 426070), (1370, 319397), (1555, 281398), (1781, 245690), (2054, 213035), (3110, 140699), (3562, 122845), (4043, 108230), (5135, 85214), (8086, 54115), (8905, 49138), (10270, 42607), (10823, 40430), (17810, 24569), (20215, 21646)]