393235780

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:487

約数の個数: 120

約数和(自身を含む): 1016426880

約数和(自身を除く): 623191100

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 343, 380, 431, 490, 532, 665, 686, 862, 931, 980, 1330, 1372, 1715, 1724, 1862, 2155, 2401, 2660, 3017, 3430, 3724, 4310, 4655, 4802, 6034, 6517, 6860, 8189, 8620, 9310, 9604, 12005, 12068, 13034, 15085, 16378, 18620, 21119, 24010, 26068, 30170, 32585, 32756, 40945, 42238, 45619, 48020, 57323, 60340, 65170, 81890, 84476, 91238, 105595, 114646, 130340, 147833, 163780, 182476, 211190, 228095, 229292, 286615, 295666, 401261, 422380, 456190, 573230, 591332, 739165, 802522, 912380, 1034831, 1146460, 1478330, 1605044, 2006305, 2069662, 2808827, 2956660, 4012610, 4139324, 5174155, 5617654, 8025220, 10348310, 11235308, 14044135, 19661789, 20696620, 28088270, 39323578, 56176540, 78647156, 98308945, 196617890, 393235780]

約数ペア:

[(1, 393235780), (2, 196617890), (4, 98308945), (5, 78647156), (7, 56176540), (10, 39323578), (14, 28088270), (19, 20696620), (20, 19661789), (28, 14044135), (35, 11235308), (38, 10348310), (49, 8025220), (70, 5617654), (76, 5174155), (95, 4139324), (98, 4012610), (133, 2956660), (140, 2808827), (190, 2069662), (196, 2006305), (245, 1605044), (266, 1478330), (343, 1146460), (380, 1034831), (431, 912380), (490, 802522), (532, 739165), (665, 591332), (686, 573230), (862, 456190), (931, 422380), (980, 401261), (1330, 295666), (1372, 286615), (1715, 229292), (1724, 228095), (1862, 211190), (2155, 182476), (2401, 163780), (2660, 147833), (3017, 130340), (3430, 114646), (3724, 105595), (4310, 91238), (4655, 84476), (4802, 81890), (6034, 65170), (6517, 60340), (6860, 57323), (8189, 48020), (8620, 45619), (9310, 42238), (9604, 40945), (12005, 32756), (12068, 32585), (13034, 30170), (15085, 26068), (16378, 24010), (18620, 21119)]