490578889220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{49354013}}^1$

素因数の和:49354100

約数の個数: 48

約数和(自身を含む): 1193972306688

約数和(自身を除く): 703393417468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 49354013, 98708026, 197416052, 246770065, 345478091, 493540130, 690956182, 987080260, 1381912364, 1727390455, 3454780910, 3504134923, 6909561820, 7008269846, 14016539692, 17520674615, 24528944461, 35041349230, 49057888922, 70082698460, 98115777844, 122644722305, 245289444610, 490578889220]

約数ペア:

[(1, 490578889220), (2, 245289444610), (4, 122644722305), (5, 98115777844), (7, 70082698460), (10, 49057888922), (14, 35041349230), (20, 24528944461), (28, 17520674615), (35, 14016539692), (70, 7008269846), (71, 6909561820), (140, 3504134923), (142, 3454780910), (284, 1727390455), (355, 1381912364), (497, 987080260), (710, 690956182), (994, 493540130), (1420, 345478091), (1988, 246770065), (2485, 197416052), (4970, 98708026), (9940, 49354013)]