9903880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 26922240

約数和(自身を除く): 17018360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 124, 140, 155, 163, 196, 217, 245, 248, 280, 310, 326, 392, 434, 490, 620, 652, 815, 868, 980, 1085, 1141, 1240, 1304, 1519, 1630, 1736, 1960, 2170, 2282, 3038, 3260, 4340, 4564, 5053, 5705, 6076, 6520, 7595, 7987, 8680, 9128, 10106, 11410, 12152, 15190, 15974, 20212, 22820, 25265, 30380, 31948, 35371, 39935, 40424, 45640, 50530, 60760, 63896, 70742, 79870, 101060, 141484, 159740, 176855, 202120, 247597, 282968, 319480, 353710, 495194, 707420, 990388, 1237985, 1414840, 1980776, 2475970, 4951940, 9903880]

約数ペア:

[(1, 9903880), (2, 4951940), (4, 2475970), (5, 1980776), (7, 1414840), (8, 1237985), (10, 990388), (14, 707420), (20, 495194), (28, 353710), (31, 319480), (35, 282968), (40, 247597), (49, 202120), (56, 176855), (62, 159740), (70, 141484), (98, 101060), (124, 79870), (140, 70742), (155, 63896), (163, 60760), (196, 50530), (217, 45640), (245, 40424), (248, 39935), (280, 35371), (310, 31948), (326, 30380), (392, 25265), (434, 22820), (490, 20212), (620, 15974), (652, 15190), (815, 12152), (868, 11410), (980, 10106), (1085, 9128), (1141, 8680), (1240, 7987), (1304, 7595), (1519, 6520), (1630, 6076), (1736, 5705), (1960, 5053), (2170, 4564), (2282, 4340), (3038, 3260)]