28418460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{953}}^1$

素因数の和:1043

約数の個数: 96

約数和(自身を含む): 92316672

約数和(自身を除く): 63898212

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 71, 84, 105, 140, 142, 210, 213, 284, 355, 420, 426, 497, 710, 852, 953, 994, 1065, 1420, 1491, 1906, 1988, 2130, 2485, 2859, 2982, 3812, 4260, 4765, 4970, 5718, 5964, 6671, 7455, 9530, 9940, 11436, 13342, 14295, 14910, 19060, 20013, 26684, 28590, 29820, 33355, 40026, 57180, 66710, 67663, 80052, 100065, 133420, 135326, 200130, 202989, 270652, 338315, 400260, 405978, 473641, 676630, 811956, 947282, 1014945, 1353260, 1420923, 1894564, 2029890, 2368205, 2841846, 4059780, 4736410, 5683692, 7104615, 9472820, 14209230, 28418460]

約数ペア:

[(1, 28418460), (2, 14209230), (3, 9472820), (4, 7104615), (5, 5683692), (6, 4736410), (7, 4059780), (10, 2841846), (12, 2368205), (14, 2029890), (15, 1894564), (20, 1420923), (21, 1353260), (28, 1014945), (30, 947282), (35, 811956), (42, 676630), (60, 473641), (70, 405978), (71, 400260), (84, 338315), (105, 270652), (140, 202989), (142, 200130), (210, 135326), (213, 133420), (284, 100065), (355, 80052), (420, 67663), (426, 66710), (497, 57180), (710, 40026), (852, 33355), (953, 29820), (994, 28590), (1065, 26684), (1420, 20013), (1491, 19060), (1906, 14910), (1988, 14295), (2130, 13342), (2485, 11436), (2859, 9940), (2982, 9530), (3812, 7455), (4260, 6671), (4765, 5964), (4970, 5718)]