31196100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:470

約数の個数: 144

約数和(自身を含む): 102562880

約数和(自身を除く): 71366780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 25, 26, 30, 38, 39, 50, 52, 57, 60, 65, 75, 76, 78, 95, 100, 114, 130, 150, 156, 190, 195, 228, 247, 260, 285, 300, 325, 380, 390, 421, 475, 494, 570, 650, 741, 780, 842, 950, 975, 988, 1140, 1235, 1263, 1300, 1425, 1482, 1684, 1900, 1950, 2105, 2470, 2526, 2850, 2964, 3705, 3900, 4210, 4940, 5052, 5473, 5700, 6175, 6315, 7410, 7999, 8420, 10525, 10946, 12350, 12630, 14820, 15998, 16419, 18525, 21050, 21892, 23997, 24700, 25260, 27365, 31575, 31996, 32838, 37050, 39995, 42100, 47994, 54730, 63150, 65676, 74100, 79990, 82095, 95988, 103987, 109460, 119985, 126300, 136825, 159980, 164190, 199975, 207974, 239970, 273650, 311961, 328380, 399950, 410475, 415948, 479940, 519935, 547300, 599925, 623922, 799900, 820950, 1039870, 1199850, 1247844, 1559805, 1641900, 2079740, 2399700, 2599675, 3119610, 5199350, 6239220, 7799025, 10398700, 15598050, 31196100]

約数ペア:

[(1, 31196100), (2, 15598050), (3, 10398700), (4, 7799025), (5, 6239220), (6, 5199350), (10, 3119610), (12, 2599675), (13, 2399700), (15, 2079740), (19, 1641900), (20, 1559805), (25, 1247844), (26, 1199850), (30, 1039870), (38, 820950), (39, 799900), (50, 623922), (52, 599925), (57, 547300), (60, 519935), (65, 479940), (75, 415948), (76, 410475), (78, 399950), (95, 328380), (100, 311961), (114, 273650), (130, 239970), (150, 207974), (156, 199975), (190, 164190), (195, 159980), (228, 136825), (247, 126300), (260, 119985), (285, 109460), (300, 103987), (325, 95988), (380, 82095), (390, 79990), (421, 74100), (475, 65676), (494, 63150), (570, 54730), (650, 47994), (741, 42100), (780, 39995), (842, 37050), (950, 32838), (975, 31996), (988, 31575), (1140, 27365), (1235, 25260), (1263, 24700), (1300, 23997), (1425, 21892), (1482, 21050), (1684, 18525), (1900, 16419), (1950, 15998), (2105, 14820), (2470, 12630), (2526, 12350), (2850, 10946), (2964, 10525), (3705, 8420), (3900, 7999), (4210, 7410), (4940, 6315), (5052, 6175), (5473, 5700)]