245022440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{2467}}^1$

素因数の和:2682

約数の個数: 64

約数和(自身を含む): 597058560

約数和(自身を除く): 352036120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 191, 260, 382, 520, 764, 955, 1528, 1910, 2467, 2483, 3820, 4934, 4966, 7640, 9868, 9932, 12335, 12415, 19736, 19864, 24670, 24830, 32071, 49340, 49660, 64142, 98680, 99320, 128284, 160355, 256568, 320710, 471197, 641420, 942394, 1282840, 1884788, 2355985, 3769576, 4711970, 6125561, 9423940, 12251122, 18847880, 24502244, 30627805, 49004488, 61255610, 122511220, 245022440]

約数ペア:

[(1, 245022440), (2, 122511220), (4, 61255610), (5, 49004488), (8, 30627805), (10, 24502244), (13, 18847880), (20, 12251122), (26, 9423940), (40, 6125561), (52, 4711970), (65, 3769576), (104, 2355985), (130, 1884788), (191, 1282840), (260, 942394), (382, 641420), (520, 471197), (764, 320710), (955, 256568), (1528, 160355), (1910, 128284), (2467, 99320), (2483, 98680), (3820, 64142), (4934, 49660), (4966, 49340), (7640, 32071), (9868, 24830), (9932, 24670), (12335, 19864), (12415, 19736)]