28746259640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{1693}}^1\times {\mathrm{8663}}^1$

素因数の和:10381

約数の個数: 96

約数和(自身を含む): 75292066080

約数和(自身を除く): 46545806440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1693, 1960, 3386, 6772, 8465, 8663, 11851, 13544, 16930, 17326, 23702, 33860, 34652, 43315, 47404, 59255, 60641, 67720, 69304, 82957, 86630, 94808, 118510, 121282, 165914, 173260, 237020, 242564, 303205, 331828, 346520, 414785, 424487, 474040, 485128, 606410, 663656, 829570, 848974, 1212820, 1659140, 1697948, 2122435, 2425640, 3318280, 3395896, 4244870, 8489740, 14666459, 16979480, 29332918, 58665836, 73332295, 102665213, 117331672, 146664590, 205330426, 293329180, 410660852, 513326065, 586658360, 718656491, 821321704, 1026652130, 1437312982, 2053304260, 2874625964, 3593282455, 4106608520, 5749251928, 7186564910, 14373129820, 28746259640]

約数ペア:

[(1, 28746259640), (2, 14373129820), (4, 7186564910), (5, 5749251928), (7, 4106608520), (8, 3593282455), (10, 2874625964), (14, 2053304260), (20, 1437312982), (28, 1026652130), (35, 821321704), (40, 718656491), (49, 586658360), (56, 513326065), (70, 410660852), (98, 293329180), (140, 205330426), (196, 146664590), (245, 117331672), (280, 102665213), (392, 73332295), (490, 58665836), (980, 29332918), (1693, 16979480), (1960, 14666459), (3386, 8489740), (6772, 4244870), (8465, 3395896), (8663, 3318280), (11851, 2425640), (13544, 2122435), (16930, 1697948), (17326, 1659140), (23702, 1212820), (33860, 848974), (34652, 829570), (43315, 663656), (47404, 606410), (59255, 485128), (60641, 474040), (67720, 424487), (69304, 414785), (82957, 346520), (86630, 331828), (94808, 303205), (118510, 242564), (121282, 237020), (165914, 173260)]