285628900

素因数分解:

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

素因数の和:326

約数の個数: 144

約数和(自身を含む): 712454400

約数和(自身を除く): 426825500

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 37, 38, 50, 68, 74, 76, 85, 95, 100, 148, 170, 185, 190, 239, 323, 340, 370, 380, 425, 475, 478, 629, 646, 703, 740, 850, 925, 950, 956, 1195, 1258, 1292, 1406, 1615, 1700, 1850, 1900, 2390, 2516, 2812, 3145, 3230, 3515, 3700, 4063, 4541, 4780, 5975, 6290, 6460, 7030, 8075, 8126, 8843, 9082, 11950, 11951, 12580, 14060, 15725, 16150, 16252, 17575, 17686, 18164, 20315, 22705, 23900, 23902, 31450, 32300, 35150, 35372, 40630, 44215, 45410, 47804, 59755, 62900, 70300, 77197, 81260, 88430, 90820, 101575, 113525, 119510, 150331, 154394, 168017, 176860, 203150, 221075, 227050, 239020, 298775, 300662, 308788, 336034, 385985, 406300, 442150, 454100, 597550, 601324, 672068, 751655, 771970, 840085, 884300, 1195100, 1503310, 1543940, 1680170, 1929925, 2856289, 3006620, 3360340, 3758275, 3859850, 4200425, 5712578, 7516550, 7719700, 8400850, 11425156, 14281445, 15033100, 16801700, 28562890, 57125780, 71407225, 142814450, 285628900]

約数ペア:

[(1, 285628900), (2, 142814450), (4, 71407225), (5, 57125780), (10, 28562890), (17, 16801700), (19, 15033100), (20, 14281445), (25, 11425156), (34, 8400850), (37, 7719700), (38, 7516550), (50, 5712578), (68, 4200425), (74, 3859850), (76, 3758275), (85, 3360340), (95, 3006620), (100, 2856289), (148, 1929925), (170, 1680170), (185, 1543940), (190, 1503310), (239, 1195100), (323, 884300), (340, 840085), (370, 771970), (380, 751655), (425, 672068), (475, 601324), (478, 597550), (629, 454100), (646, 442150), (703, 406300), (740, 385985), (850, 336034), (925, 308788), (950, 300662), (956, 298775), (1195, 239020), (1258, 227050), (1292, 221075), (1406, 203150), (1615, 176860), (1700, 168017), (1850, 154394), (1900, 150331), (2390, 119510), (2516, 113525), (2812, 101575), (3145, 90820), (3230, 88430), (3515, 81260), (3700, 77197), (4063, 70300), (4541, 62900), (4780, 59755), (5975, 47804), (6290, 45410), (6460, 44215), (7030, 40630), (8075, 35372), (8126, 35150), (8843, 32300), (9082, 31450), (11950, 23902), (11951, 23900), (12580, 22705), (14060, 20315), (15725, 18164), (16150, 17686), (16252, 17575)]