9995020

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:108

約数の個数: 96

約数和(自身を含む): 25804800

約数和(自身を除く): 15809780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 47, 49, 62, 70, 94, 98, 124, 140, 155, 188, 196, 217, 235, 245, 310, 329, 343, 434, 470, 490, 620, 658, 686, 868, 940, 980, 1085, 1316, 1372, 1457, 1519, 1645, 1715, 2170, 2303, 2914, 3038, 3290, 3430, 4340, 4606, 5828, 6076, 6580, 6860, 7285, 7595, 9212, 10199, 10633, 11515, 14570, 15190, 16121, 20398, 21266, 23030, 29140, 30380, 32242, 40796, 42532, 46060, 50995, 53165, 64484, 71393, 80605, 101990, 106330, 142786, 161210, 203980, 212660, 285572, 322420, 356965, 499751, 713930, 999502, 1427860, 1999004, 2498755, 4997510, 9995020]

約数ペア:

[(1, 9995020), (2, 4997510), (4, 2498755), (5, 1999004), (7, 1427860), (10, 999502), (14, 713930), (20, 499751), (28, 356965), (31, 322420), (35, 285572), (47, 212660), (49, 203980), (62, 161210), (70, 142786), (94, 106330), (98, 101990), (124, 80605), (140, 71393), (155, 64484), (188, 53165), (196, 50995), (217, 46060), (235, 42532), (245, 40796), (310, 32242), (329, 30380), (343, 29140), (434, 23030), (470, 21266), (490, 20398), (620, 16121), (658, 15190), (686, 14570), (868, 11515), (940, 10633), (980, 10199), (1085, 9212), (1316, 7595), (1372, 7285), (1457, 6860), (1519, 6580), (1645, 6076), (1715, 5828), (2170, 4606), (2303, 4340), (2914, 3430), (3038, 3290)]