313295920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18047}}^1$

素因数の和:18098

約数の個数: 80

約数和(自身を含む): 859373568

約数和(自身を除く): 546077648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 18047, 36094, 72188, 90235, 126329, 144376, 180470, 252658, 288752, 360940, 505316, 559457, 631645, 721880, 1010632, 1118914, 1263290, 1443760, 2021264, 2237828, 2526580, 2797285, 3916199, 4475656, 5053160, 5594570, 7832398, 8951312, 10106320, 11189140, 15664796, 19580995, 22378280, 31329592, 39161990, 44756560, 62659184, 78323980, 156647960, 313295920]

約数ペア:

[(1, 313295920), (2, 156647960), (4, 78323980), (5, 62659184), (7, 44756560), (8, 39161990), (10, 31329592), (14, 22378280), (16, 19580995), (20, 15664796), (28, 11189140), (31, 10106320), (35, 8951312), (40, 7832398), (56, 5594570), (62, 5053160), (70, 4475656), (80, 3916199), (112, 2797285), (124, 2526580), (140, 2237828), (155, 2021264), (217, 1443760), (248, 1263290), (280, 1118914), (310, 1010632), (434, 721880), (496, 631645), (560, 559457), (620, 505316), (868, 360940), (1085, 288752), (1240, 252658), (1736, 180470), (2170, 144376), (2480, 126329), (3472, 90235), (4340, 72188), (8680, 36094), (17360, 18047)]