1780497550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{599}}^1$

素因数の和:910

約数の個数: 96

約数和(自身を含む): 3796632000

約数和(自身を除く): 2016134450

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 269, 325, 425, 442, 538, 599, 650, 850, 1105, 1198, 1345, 2210, 2690, 2995, 3497, 4573, 5525, 5990, 6725, 6994, 7787, 9146, 10183, 11050, 13450, 14975, 15574, 17485, 20366, 22865, 29950, 34970, 38935, 45730, 50915, 59449, 77870, 87425, 101830, 114325, 118898, 132379, 161131, 174850, 194675, 228650, 254575, 264758, 297245, 322262, 389350, 509150, 594490, 661895, 805655, 1323790, 1486225, 1611310, 2094703, 2739227, 2972450, 3309475, 4028275, 4189406, 5478454, 6618950, 8056550, 10473515, 13696135, 20947030, 27392270, 35609951, 52367575, 68480675, 71219902, 104735150, 136961350, 178049755, 356099510, 890248775, 1780497550]

約数ペア:

[(1, 1780497550), (2, 890248775), (5, 356099510), (10, 178049755), (13, 136961350), (17, 104735150), (25, 71219902), (26, 68480675), (34, 52367575), (50, 35609951), (65, 27392270), (85, 20947030), (130, 13696135), (170, 10473515), (221, 8056550), (269, 6618950), (325, 5478454), (425, 4189406), (442, 4028275), (538, 3309475), (599, 2972450), (650, 2739227), (850, 2094703), (1105, 1611310), (1198, 1486225), (1345, 1323790), (2210, 805655), (2690, 661895), (2995, 594490), (3497, 509150), (4573, 389350), (5525, 322262), (5990, 297245), (6725, 264758), (6994, 254575), (7787, 228650), (9146, 194675), (10183, 174850), (11050, 161131), (13450, 132379), (14975, 118898), (15574, 114325), (17485, 101830), (20366, 87425), (22865, 77870), (29950, 59449), (34970, 50915), (38935, 45730)]