420111820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{3733}}^1$

素因数の和:4090

約数の個数: 48

約数和(自身を含む): 937204128

約数和(自身を除く): 517092308

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 331, 340, 662, 1324, 1655, 3310, 3733, 5627, 6620, 7466, 11254, 14932, 18665, 22508, 28135, 37330, 56270, 63461, 74660, 112540, 126922, 253844, 317305, 634610, 1235623, 1269220, 2471246, 4942492, 6178115, 12356230, 21005591, 24712460, 42011182, 84022364, 105027955, 210055910, 420111820]

約数ペア:

[(1, 420111820), (2, 210055910), (4, 105027955), (5, 84022364), (10, 42011182), (17, 24712460), (20, 21005591), (34, 12356230), (68, 6178115), (85, 4942492), (170, 2471246), (331, 1269220), (340, 1235623), (662, 634610), (1324, 317305), (1655, 253844), (3310, 126922), (3733, 112540), (5627, 74660), (6620, 63461), (7466, 56270), (11254, 37330), (14932, 28135), (18665, 22508)]