2789995780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{975523}}^1$

素因数の和:975556

約数の個数: 48

約数和(自身を含む): 6883297344

約数和(自身を除く): 4093301564

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 975523, 1951046, 3902092, 4877615, 9755230, 10730753, 12681799, 19510460, 21461506, 25363598, 42923012, 50727196, 53653765, 63408995, 107307530, 126817990, 139499789, 214615060, 253635980, 278999578, 557999156, 697498945, 1394997890, 2789995780]

約数ペア:

[(1, 2789995780), (2, 1394997890), (4, 697498945), (5, 557999156), (10, 278999578), (11, 253635980), (13, 214615060), (20, 139499789), (22, 126817990), (26, 107307530), (44, 63408995), (52, 53653765), (55, 50727196), (65, 42923012), (110, 25363598), (130, 21461506), (143, 19510460), (220, 12681799), (260, 10730753), (286, 9755230), (572, 4877615), (715, 3902092), (1430, 1951046), (2860, 975523)]