990833470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{373}}^1$

素因数の和:482

約数の個数: 128

約数和(自身を含む): 2171473920

約数和(自身を除く): 1180640450

約数列:

[1, 2, 5, 10, 11, 19, 22, 31, 38, 41, 55, 62, 82, 95, 110, 155, 190, 205, 209, 310, 341, 373, 410, 418, 451, 589, 682, 746, 779, 902, 1045, 1178, 1271, 1558, 1705, 1865, 2090, 2255, 2542, 2945, 3410, 3730, 3895, 4103, 4510, 5890, 6355, 6479, 7087, 7790, 8206, 8569, 11563, 12710, 12958, 13981, 14174, 15293, 17138, 20515, 23126, 24149, 27962, 30586, 32395, 35435, 41030, 42845, 48298, 57815, 64790, 69905, 70870, 76465, 77957, 85690, 115630, 120745, 127193, 139810, 152930, 155914, 168223, 219697, 241490, 254386, 265639, 290567, 336446, 389785, 439394, 474083, 531278, 581134, 635965, 779570, 841115, 948166, 1098485, 1271930, 1328195, 1452835, 1682230, 2196970, 2370415, 2416667, 2656390, 2905670, 3196237, 4740830, 4833334, 5214913, 6392474, 9007577, 10429826, 12083335, 15981185, 18015154, 24166670, 26074565, 31962370, 45037885, 52149130, 90075770, 99083347, 198166694, 495416735, 990833470]

約数ペア:

[(1, 990833470), (2, 495416735), (5, 198166694), (10, 99083347), (11, 90075770), (19, 52149130), (22, 45037885), (31, 31962370), (38, 26074565), (41, 24166670), (55, 18015154), (62, 15981185), (82, 12083335), (95, 10429826), (110, 9007577), (155, 6392474), (190, 5214913), (205, 4833334), (209, 4740830), (310, 3196237), (341, 2905670), (373, 2656390), (410, 2416667), (418, 2370415), (451, 2196970), (589, 1682230), (682, 1452835), (746, 1328195), (779, 1271930), (902, 1098485), (1045, 948166), (1178, 841115), (1271, 779570), (1558, 635965), (1705, 581134), (1865, 531278), (2090, 474083), (2255, 439394), (2542, 389785), (2945, 336446), (3410, 290567), (3730, 265639), (3895, 254386), (4103, 241490), (4510, 219697), (5890, 168223), (6355, 155914), (6479, 152930), (7087, 139810), (7790, 127193), (8206, 120745), (8569, 115630), (11563, 85690), (12710, 77957), (12958, 76465), (13981, 70870), (14174, 69905), (15293, 64790), (17138, 57815), (20515, 48298), (23126, 42845), (24149, 41030), (27962, 35435), (30586, 32395)]