388951190

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{9649}}^1$

素因数の和:9824

約数の個数: 32

約数和(自身を含む): 729540000

約数和(自身を除く): 340588810

約数列:

[1, 2, 5, 10, 29, 58, 139, 145, 278, 290, 695, 1390, 4031, 8062, 9649, 19298, 20155, 40310, 48245, 96490, 279821, 559642, 1341211, 1399105, 2682422, 2798210, 6706055, 13412110, 38895119, 77790238, 194475595, 388951190]

約数ペア:

[(1, 388951190), (2, 194475595), (5, 77790238), (10, 38895119), (29, 13412110), (58, 6706055), (139, 2798210), (145, 2682422), (278, 1399105), (290, 1341211), (695, 559642), (1390, 279821), (4031, 96490), (8062, 48245), (9649, 40310), (19298, 20155)]