88790990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 175703040

約数和(自身を除く): 86912050

約数列:

[1, 2, 5, 10, 19, 38, 47, 61, 94, 95, 122, 163, 190, 235, 305, 326, 470, 610, 815, 893, 1159, 1630, 1786, 2318, 2867, 3097, 4465, 5734, 5795, 6194, 7661, 8930, 9943, 11590, 14335, 15322, 15485, 19886, 28670, 30970, 38305, 49715, 54473, 76610, 99430, 108946, 145559, 188917, 272365, 291118, 377834, 467321, 544730, 727795, 934642, 944585, 1455590, 1889170, 2336605, 4673210, 8879099, 17758198, 44395495, 88790990]

約数ペア:

[(1, 88790990), (2, 44395495), (5, 17758198), (10, 8879099), (19, 4673210), (38, 2336605), (47, 1889170), (61, 1455590), (94, 944585), (95, 934642), (122, 727795), (163, 544730), (190, 467321), (235, 377834), (305, 291118), (326, 272365), (470, 188917), (610, 145559), (815, 108946), (893, 99430), (1159, 76610), (1630, 54473), (1786, 49715), (2318, 38305), (2867, 30970), (3097, 28670), (4465, 19886), (5734, 15485), (5795, 15322), (6194, 14335), (7661, 11590), (8930, 9943)]