194954207440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{251983}}^1$

素因数の和:252524

約数の個数: 80

約数和(自身を含む): 478064044800

約数和(自身を除く): 283109837360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 509, 760, 1018, 1520, 2036, 2545, 4072, 5090, 8144, 9671, 10180, 19342, 20360, 38684, 40720, 48355, 77368, 96710, 154736, 193420, 251983, 386840, 503966, 773680, 1007932, 1259915, 2015864, 2519830, 4031728, 4787677, 5039660, 9575354, 10079320, 19150708, 20158640, 23938385, 38301416, 47876770, 76602832, 95753540, 128259347, 191507080, 256518694, 383014160, 513037388, 641296735, 1026074776, 1282593470, 2052149552, 2436927593, 2565186940, 4873855186, 5130373880, 9747710372, 10260747760, 12184637965, 19495420744, 24369275930, 38990841488, 48738551860, 97477103720, 194954207440]

約数ペア:

[(1, 194954207440), (2, 97477103720), (4, 48738551860), (5, 38990841488), (8, 24369275930), (10, 19495420744), (16, 12184637965), (19, 10260747760), (20, 9747710372), (38, 5130373880), (40, 4873855186), (76, 2565186940), (80, 2436927593), (95, 2052149552), (152, 1282593470), (190, 1026074776), (304, 641296735), (380, 513037388), (509, 383014160), (760, 256518694), (1018, 191507080), (1520, 128259347), (2036, 95753540), (2545, 76602832), (4072, 47876770), (5090, 38301416), (8144, 23938385), (9671, 20158640), (10180, 19150708), (19342, 10079320), (20360, 9575354), (38684, 5039660), (40720, 4787677), (48355, 4031728), (77368, 2519830), (96710, 2015864), (154736, 1259915), (193420, 1007932), (251983, 773680), (386840, 503966)]