199409360

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{80407}}^1$

素因数の和:80451

約数の個数: 40

約数和(自身を含む): 478588416

約数和(自身を除く): 279179056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 80407, 160814, 321628, 402035, 643256, 804070, 1286512, 1608140, 2492617, 3216280, 4985234, 6432560, 9970468, 12463085, 19940936, 24926170, 39881872, 49852340, 99704680, 199409360]

約数ペア:

[(1, 199409360), (2, 99704680), (4, 49852340), (5, 39881872), (8, 24926170), (10, 19940936), (16, 12463085), (20, 9970468), (31, 6432560), (40, 4985234), (62, 3216280), (80, 2492617), (124, 1608140), (155, 1286512), (248, 804070), (310, 643256), (496, 402035), (620, 321628), (1240, 160814), (2480, 80407)]