399317824960

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{232681}}^1$

素因数の和:232902

約数の個数: 112

約数和(自身を含む): 987226912512

約数和(自身を除く): 587909087552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 173, 248, 310, 320, 346, 496, 620, 692, 865, 992, 1240, 1384, 1730, 1984, 2480, 2768, 3460, 4960, 5363, 5536, 6920, 9920, 10726, 11072, 13840, 21452, 26815, 27680, 42904, 53630, 55360, 85808, 107260, 171616, 214520, 232681, 343232, 429040, 465362, 858080, 930724, 1163405, 1716160, 1861448, 2326810, 3722896, 4653620, 7213111, 7445792, 9307240, 14426222, 14891584, 18614480, 28852444, 36065555, 37228960, 40253813, 57704888, 72131110, 74457920, 80507626, 115409776, 144262220, 161015252, 201269065, 230819552, 288524440, 322030504, 402538130, 461639104, 577048880, 644061008, 805076260, 1154097760, 1247868203, 1288122016, 1610152520, 2308195520, 2495736406, 2576244032, 3220305040, 4991472812, 6239341015, 6440610080, 9982945624, 12478682030, 12881220160, 19965891248, 24957364060, 39931782496, 49914728120, 79863564992, 99829456240, 199658912480, 399317824960]

約数ペア:

[(1, 399317824960), (2, 199658912480), (4, 99829456240), (5, 79863564992), (8, 49914728120), (10, 39931782496), (16, 24957364060), (20, 19965891248), (31, 12881220160), (32, 12478682030), (40, 9982945624), (62, 6440610080), (64, 6239341015), (80, 4991472812), (124, 3220305040), (155, 2576244032), (160, 2495736406), (173, 2308195520), (248, 1610152520), (310, 1288122016), (320, 1247868203), (346, 1154097760), (496, 805076260), (620, 644061008), (692, 577048880), (865, 461639104), (992, 402538130), (1240, 322030504), (1384, 288524440), (1730, 230819552), (1984, 201269065), (2480, 161015252), (2768, 144262220), (3460, 115409776), (4960, 80507626), (5363, 74457920), (5536, 72131110), (6920, 57704888), (9920, 40253813), (10726, 37228960), (11072, 36065555), (13840, 28852444), (21452, 18614480), (26815, 14891584), (27680, 14426222), (42904, 9307240), (53630, 7445792), (55360, 7213111), (85808, 4653620), (107260, 3722896), (171616, 2326810), (214520, 1861448), (232681, 1716160), (343232, 1163405), (429040, 930724), (465362, 858080)]