78953980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{547}}^1\times {\mathrm{1031}}^1$

素因数の和:1594

約数の個数: 48

約数和(自身を含む): 190020096

約数和(自身を除く): 111066116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 547, 1031, 1094, 2062, 2188, 2735, 3829, 4124, 5155, 5470, 7217, 7658, 10310, 10940, 14434, 15316, 19145, 20620, 28868, 36085, 38290, 72170, 76580, 144340, 563957, 1127914, 2255828, 2819785, 3947699, 5639570, 7895398, 11279140, 15790796, 19738495, 39476990, 78953980]

約数ペア:

[(1, 78953980), (2, 39476990), (4, 19738495), (5, 15790796), (7, 11279140), (10, 7895398), (14, 5639570), (20, 3947699), (28, 2819785), (35, 2255828), (70, 1127914), (140, 563957), (547, 144340), (1031, 76580), (1094, 72170), (2062, 38290), (2188, 36085), (2735, 28868), (3829, 20620), (4124, 19145), (5155, 15316), (5470, 14434), (7217, 10940), (7658, 10310)]