439775450

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{263}}^1\times {\mathrm{631}}^1$

素因数の和:959

約数の個数: 48

約数和(自身を含む): 837910656

約数和(自身を除く): 398135206

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 263, 265, 526, 530, 631, 1262, 1315, 1325, 2630, 2650, 3155, 6310, 6575, 13150, 13939, 15775, 27878, 31550, 33443, 66886, 69695, 139390, 165953, 167215, 331906, 334430, 348475, 696950, 829765, 836075, 1659530, 1672150, 4148825, 8297650, 8795509, 17591018, 43977545, 87955090, 219887725, 439775450]

約数ペア:

[(1, 439775450), (2, 219887725), (5, 87955090), (10, 43977545), (25, 17591018), (50, 8795509), (53, 8297650), (106, 4148825), (263, 1672150), (265, 1659530), (526, 836075), (530, 829765), (631, 696950), (1262, 348475), (1315, 334430), (1325, 331906), (2630, 167215), (2650, 165953), (3155, 139390), (6310, 69695), (6575, 66886), (13150, 33443), (13939, 31550), (15775, 27878)]