399880460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:328

約数の個数: 192

約数和(自身を含む): 1103155200

約数和(自身を除く): 703274740

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 34, 35, 37, 38, 68, 70, 74, 76, 85, 95, 119, 133, 140, 148, 170, 185, 190, 238, 239, 259, 266, 323, 340, 370, 380, 476, 478, 518, 532, 595, 629, 646, 665, 703, 740, 956, 1036, 1190, 1195, 1258, 1292, 1295, 1330, 1406, 1615, 1673, 2261, 2380, 2390, 2516, 2590, 2660, 2812, 3145, 3230, 3346, 3515, 4063, 4403, 4522, 4541, 4780, 4921, 5180, 6290, 6460, 6692, 7030, 8126, 8365, 8806, 8843, 9044, 9082, 9842, 11305, 11951, 12580, 14060, 16252, 16730, 17612, 17686, 18164, 19684, 20315, 22015, 22610, 22705, 23902, 24605, 28441, 31787, 33460, 35372, 40630, 44030, 44215, 45220, 45410, 47804, 49210, 56882, 59755, 61901, 63574, 77197, 81260, 83657, 88060, 88430, 90820, 98420, 113764, 119510, 123802, 127148, 142205, 150331, 154394, 158935, 167314, 168017, 176860, 239020, 247604, 284410, 300662, 308788, 309505, 317870, 334628, 336034, 385985, 418285, 540379, 568820, 601324, 619010, 635740, 672068, 751655, 771970, 836570, 840085, 1052317, 1080758, 1176119, 1238020, 1503310, 1543940, 1673140, 1680170, 2104634, 2161516, 2352238, 2701895, 2856289, 3006620, 3360340, 4209268, 4704476, 5261585, 5403790, 5712578, 5880595, 10523170, 10807580, 11425156, 11761190, 14281445, 19994023, 21046340, 23522380, 28562890, 39988046, 57125780, 79976092, 99970115, 199940230, 399880460]

約数ペア:

[(1, 399880460), (2, 199940230), (4, 99970115), (5, 79976092), (7, 57125780), (10, 39988046), (14, 28562890), (17, 23522380), (19, 21046340), (20, 19994023), (28, 14281445), (34, 11761190), (35, 11425156), (37, 10807580), (38, 10523170), (68, 5880595), (70, 5712578), (74, 5403790), (76, 5261585), (85, 4704476), (95, 4209268), (119, 3360340), (133, 3006620), (140, 2856289), (148, 2701895), (170, 2352238), (185, 2161516), (190, 2104634), (238, 1680170), (239, 1673140), (259, 1543940), (266, 1503310), (323, 1238020), (340, 1176119), (370, 1080758), (380, 1052317), (476, 840085), (478, 836570), (518, 771970), (532, 751655), (595, 672068), (629, 635740), (646, 619010), (665, 601324), (703, 568820), (740, 540379), (956, 418285), (1036, 385985), (1190, 336034), (1195, 334628), (1258, 317870), (1292, 309505), (1295, 308788), (1330, 300662), (1406, 284410), (1615, 247604), (1673, 239020), (2261, 176860), (2380, 168017), (2390, 167314), (2516, 158935), (2590, 154394), (2660, 150331), (2812, 142205), (3145, 127148), (3230, 123802), (3346, 119510), (3515, 113764), (4063, 98420), (4403, 90820), (4522, 88430), (4541, 88060), (4780, 83657), (4921, 81260), (5180, 77197), (6290, 63574), (6460, 61901), (6692, 59755), (7030, 56882), (8126, 49210), (8365, 47804), (8806, 45410), (8843, 45220), (9044, 44215), (9082, 44030), (9842, 40630), (11305, 35372), (11951, 33460), (12580, 31787), (14060, 28441), (16252, 24605), (16730, 23902), (17612, 22705), (17686, 22610), (18164, 22015), (19684, 20315)]