208085800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{491}}^1$

素因数の和:683

約数の個数: 96

約数和(自身を含む): 525278880

約数和(自身を除く): 317193080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 163, 200, 260, 325, 326, 491, 520, 650, 652, 815, 982, 1300, 1304, 1630, 1964, 2119, 2455, 2600, 3260, 3928, 4075, 4238, 4910, 6383, 6520, 8150, 8476, 9820, 10595, 12275, 12766, 16300, 16952, 19640, 21190, 24550, 25532, 31915, 32600, 42380, 49100, 51064, 52975, 63830, 80033, 84760, 98200, 105950, 127660, 159575, 160066, 211900, 255320, 319150, 320132, 400165, 423800, 638300, 640264, 800330, 1040429, 1276600, 1600660, 2000825, 2080858, 3201320, 4001650, 4161716, 5202145, 8003300, 8323432, 10404290, 16006600, 20808580, 26010725, 41617160, 52021450, 104042900, 208085800]

約数ペア:

[(1, 208085800), (2, 104042900), (4, 52021450), (5, 41617160), (8, 26010725), (10, 20808580), (13, 16006600), (20, 10404290), (25, 8323432), (26, 8003300), (40, 5202145), (50, 4161716), (52, 4001650), (65, 3201320), (100, 2080858), (104, 2000825), (130, 1600660), (163, 1276600), (200, 1040429), (260, 800330), (325, 640264), (326, 638300), (491, 423800), (520, 400165), (650, 320132), (652, 319150), (815, 255320), (982, 211900), (1300, 160066), (1304, 159575), (1630, 127660), (1964, 105950), (2119, 98200), (2455, 84760), (2600, 80033), (3260, 63830), (3928, 52975), (4075, 51064), (4238, 49100), (4910, 42380), (6383, 32600), (6520, 31915), (8150, 25532), (8476, 24550), (9820, 21190), (10595, 19640), (12275, 16952), (12766, 16300)]