90900370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:152

約数の個数: 128

約数和(自身を含む): 205701120

約数和(自身を除く): 114800750

約数列:

[1, 2, 5, 10, 11, 19, 22, 23, 31, 38, 46, 55, 61, 62, 95, 110, 115, 122, 155, 190, 209, 230, 253, 305, 310, 341, 418, 437, 506, 589, 610, 671, 682, 713, 874, 1045, 1159, 1178, 1265, 1342, 1403, 1426, 1705, 1891, 2090, 2185, 2318, 2530, 2806, 2945, 3355, 3410, 3565, 3782, 4370, 4807, 5795, 5890, 6479, 6710, 7015, 7130, 7843, 9455, 9614, 11590, 12749, 12958, 13547, 14030, 15433, 15686, 18910, 20801, 24035, 25498, 26657, 27094, 30866, 32395, 35929, 39215, 41602, 43493, 48070, 53314, 63745, 64790, 67735, 71858, 77165, 78430, 86986, 104005, 127490, 133285, 135470, 149017, 154330, 179645, 208010, 217465, 266570, 293227, 298034, 359290, 395219, 434930, 478423, 586454, 745085, 790438, 826367, 956846, 1466135, 1490170, 1652734, 1976095, 2392115, 2932270, 3952190, 4131835, 4784230, 8263670, 9090037, 18180074, 45450185, 90900370]

約数ペア:

[(1, 90900370), (2, 45450185), (5, 18180074), (10, 9090037), (11, 8263670), (19, 4784230), (22, 4131835), (23, 3952190), (31, 2932270), (38, 2392115), (46, 1976095), (55, 1652734), (61, 1490170), (62, 1466135), (95, 956846), (110, 826367), (115, 790438), (122, 745085), (155, 586454), (190, 478423), (209, 434930), (230, 395219), (253, 359290), (305, 298034), (310, 293227), (341, 266570), (418, 217465), (437, 208010), (506, 179645), (589, 154330), (610, 149017), (671, 135470), (682, 133285), (713, 127490), (874, 104005), (1045, 86986), (1159, 78430), (1178, 77165), (1265, 71858), (1342, 67735), (1403, 64790), (1426, 63745), (1705, 53314), (1891, 48070), (2090, 43493), (2185, 41602), (2318, 39215), (2530, 35929), (2806, 32395), (2945, 30866), (3355, 27094), (3410, 26657), (3565, 25498), (3782, 24035), (4370, 20801), (4807, 18910), (5795, 15686), (5890, 15433), (6479, 14030), (6710, 13547), (7015, 12958), (7130, 12749), (7843, 11590), (9455, 9614)]