39898740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:398

約数の個数: 144

約数和(自身を含む): 133527744

約数和(自身を除く): 93629004

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 49, 60, 70, 82, 84, 98, 105, 123, 140, 147, 164, 196, 205, 210, 245, 246, 287, 294, 331, 410, 420, 490, 492, 574, 588, 615, 662, 735, 820, 861, 980, 993, 1148, 1230, 1324, 1435, 1470, 1655, 1722, 1986, 2009, 2317, 2460, 2870, 2940, 3310, 3444, 3972, 4018, 4305, 4634, 4965, 5740, 6027, 6620, 6951, 8036, 8610, 9268, 9930, 10045, 11585, 12054, 13571, 13902, 16219, 17220, 19860, 20090, 23170, 24108, 27142, 27804, 30135, 32438, 34755, 40180, 40713, 46340, 48657, 54284, 60270, 64876, 67855, 69510, 81095, 81426, 94997, 97314, 120540, 135710, 139020, 162190, 162852, 189994, 194628, 203565, 243285, 271420, 284991, 324380, 379988, 407130, 474985, 486570, 569982, 664979, 814260, 949970, 973140, 1139964, 1329958, 1424955, 1899940, 1994937, 2659916, 2849910, 3324895, 3989874, 5699820, 6649790, 7979748, 9974685, 13299580, 19949370, 39898740]

約数ペア:

[(1, 39898740), (2, 19949370), (3, 13299580), (4, 9974685), (5, 7979748), (6, 6649790), (7, 5699820), (10, 3989874), (12, 3324895), (14, 2849910), (15, 2659916), (20, 1994937), (21, 1899940), (28, 1424955), (30, 1329958), (35, 1139964), (41, 973140), (42, 949970), (49, 814260), (60, 664979), (70, 569982), (82, 486570), (84, 474985), (98, 407130), (105, 379988), (123, 324380), (140, 284991), (147, 271420), (164, 243285), (196, 203565), (205, 194628), (210, 189994), (245, 162852), (246, 162190), (287, 139020), (294, 135710), (331, 120540), (410, 97314), (420, 94997), (490, 81426), (492, 81095), (574, 69510), (588, 67855), (615, 64876), (662, 60270), (735, 54284), (820, 48657), (861, 46340), (980, 40713), (993, 40180), (1148, 34755), (1230, 32438), (1324, 30135), (1435, 27804), (1470, 27142), (1655, 24108), (1722, 23170), (1986, 20090), (2009, 19860), (2317, 17220), (2460, 16219), (2870, 13902), (2940, 13571), (3310, 12054), (3444, 11585), (3972, 10045), (4018, 9930), (4305, 9268), (4634, 8610), (4965, 8036), (5740, 6951), (6027, 6620)]