90941240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^2$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 228795840

約数和(自身を除く): 137854600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 61, 65, 94, 104, 122, 130, 188, 235, 244, 260, 305, 376, 470, 488, 520, 610, 611, 793, 940, 1220, 1222, 1586, 1880, 2440, 2444, 2867, 3055, 3172, 3721, 3965, 4888, 5734, 6110, 6344, 7442, 7930, 11468, 12220, 14335, 14884, 15860, 18605, 22936, 24440, 28670, 29768, 31720, 37210, 37271, 48373, 57340, 74420, 74542, 96746, 114680, 148840, 149084, 174887, 186355, 193492, 241865, 298168, 349774, 372710, 386984, 483730, 699548, 745420, 874435, 967460, 1399096, 1490840, 1748870, 1934920, 2273531, 3497740, 4547062, 6995480, 9094124, 11367655, 18188248, 22735310, 45470620, 90941240]

約数ペア:

[(1, 90941240), (2, 45470620), (4, 22735310), (5, 18188248), (8, 11367655), (10, 9094124), (13, 6995480), (20, 4547062), (26, 3497740), (40, 2273531), (47, 1934920), (52, 1748870), (61, 1490840), (65, 1399096), (94, 967460), (104, 874435), (122, 745420), (130, 699548), (188, 483730), (235, 386984), (244, 372710), (260, 349774), (305, 298168), (376, 241865), (470, 193492), (488, 186355), (520, 174887), (610, 149084), (611, 148840), (793, 114680), (940, 96746), (1220, 74542), (1222, 74420), (1586, 57340), (1880, 48373), (2440, 37271), (2444, 37210), (2867, 31720), (3055, 29768), (3172, 28670), (3721, 24440), (3965, 22936), (4888, 18605), (5734, 15860), (6110, 14884), (6344, 14335), (7442, 12220), (7930, 11468)]