19809731600

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{373}}^1\times {\mathrm{4283}}^1$

素因数の和:4705

約数の個数: 120

約数和(自身を含む): 49271346432

約数和(自身を除く): 29461614832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 373, 400, 496, 620, 746, 775, 1240, 1492, 1550, 1865, 2480, 2984, 3100, 3730, 4283, 5968, 6200, 7460, 8566, 9325, 11563, 12400, 14920, 17132, 18650, 21415, 23126, 29840, 34264, 37300, 42830, 46252, 57815, 68528, 74600, 85660, 92504, 107075, 115630, 132773, 149200, 171320, 185008, 214150, 231260, 265546, 289075, 342640, 428300, 462520, 531092, 578150, 663865, 856600, 925040, 1062184, 1156300, 1327730, 1597559, 1713200, 2124368, 2312600, 2655460, 3195118, 3319325, 4625200, 5310920, 6390236, 6638650, 7987795, 10621840, 12780472, 13277300, 15975590, 25560944, 26554600, 31951180, 39938975, 49524329, 53109200, 63902360, 79877950, 99048658, 127804720, 159755900, 198097316, 247621645, 319511800, 396194632, 495243290, 639023600, 792389264, 990486580, 1238108225, 1980973160, 2476216450, 3961946320, 4952432900, 9904865800, 19809731600]

約数ペア:

[(1, 19809731600), (2, 9904865800), (4, 4952432900), (5, 3961946320), (8, 2476216450), (10, 1980973160), (16, 1238108225), (20, 990486580), (25, 792389264), (31, 639023600), (40, 495243290), (50, 396194632), (62, 319511800), (80, 247621645), (100, 198097316), (124, 159755900), (155, 127804720), (200, 99048658), (248, 79877950), (310, 63902360), (373, 53109200), (400, 49524329), (496, 39938975), (620, 31951180), (746, 26554600), (775, 25560944), (1240, 15975590), (1492, 13277300), (1550, 12780472), (1865, 10621840), (2480, 7987795), (2984, 6638650), (3100, 6390236), (3730, 5310920), (4283, 4625200), (5968, 3319325), (6200, 3195118), (7460, 2655460), (8566, 2312600), (9325, 2124368), (11563, 1713200), (12400, 1597559), (14920, 1327730), (17132, 1156300), (18650, 1062184), (21415, 925040), (23126, 856600), (29840, 663865), (34264, 578150), (37300, 531092), (42830, 462520), (46252, 428300), (57815, 342640), (68528, 289075), (74600, 265546), (85660, 231260), (92504, 214150), (107075, 185008), (115630, 171320), (132773, 149200)]