31308900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{877}}^1$

素因数の和:918

約数の個数: 144

約数和(自身を含む): 109742976

約数和(自身を除く): 78434076

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 25, 28, 30, 34, 35, 42, 50, 51, 60, 68, 70, 75, 84, 85, 100, 102, 105, 119, 140, 150, 170, 175, 204, 210, 238, 255, 300, 340, 350, 357, 420, 425, 476, 510, 525, 595, 700, 714, 850, 877, 1020, 1050, 1190, 1275, 1428, 1700, 1754, 1785, 2100, 2380, 2550, 2631, 2975, 3508, 3570, 4385, 5100, 5262, 5950, 6139, 7140, 8770, 8925, 10524, 11900, 12278, 13155, 14909, 17540, 17850, 18417, 21925, 24556, 26310, 29818, 30695, 35700, 36834, 43850, 44727, 52620, 59636, 61390, 65775, 73668, 74545, 87700, 89454, 92085, 104363, 122780, 131550, 149090, 153475, 178908, 184170, 208726, 223635, 263100, 298180, 306950, 313089, 368340, 372725, 417452, 447270, 460425, 521815, 613900, 626178, 745450, 894540, 920850, 1043630, 1118175, 1252356, 1490900, 1565445, 1841700, 2087260, 2236350, 2609075, 3130890, 4472700, 5218150, 6261780, 7827225, 10436300, 15654450, 31308900]

約数ペア:

[(1, 31308900), (2, 15654450), (3, 10436300), (4, 7827225), (5, 6261780), (6, 5218150), (7, 4472700), (10, 3130890), (12, 2609075), (14, 2236350), (15, 2087260), (17, 1841700), (20, 1565445), (21, 1490900), (25, 1252356), (28, 1118175), (30, 1043630), (34, 920850), (35, 894540), (42, 745450), (50, 626178), (51, 613900), (60, 521815), (68, 460425), (70, 447270), (75, 417452), (84, 372725), (85, 368340), (100, 313089), (102, 306950), (105, 298180), (119, 263100), (140, 223635), (150, 208726), (170, 184170), (175, 178908), (204, 153475), (210, 149090), (238, 131550), (255, 122780), (300, 104363), (340, 92085), (350, 89454), (357, 87700), (420, 74545), (425, 73668), (476, 65775), (510, 61390), (525, 59636), (595, 52620), (700, 44727), (714, 43850), (850, 36834), (877, 35700), (1020, 30695), (1050, 29818), (1190, 26310), (1275, 24556), (1428, 21925), (1700, 18417), (1754, 17850), (1785, 17540), (2100, 14909), (2380, 13155), (2550, 12278), (2631, 11900), (2975, 10524), (3508, 8925), (3570, 8770), (4385, 7140), (5100, 6139), (5262, 5950)]