938851420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{20173}}^1$

素因数の和:20374

約数の個数: 48

約数和(自身を含む): 2135216160

約数和(自身を除く): 1196364740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 179, 260, 358, 716, 895, 1790, 2327, 3580, 4654, 9308, 11635, 20173, 23270, 40346, 46540, 80692, 100865, 201730, 262249, 403460, 524498, 1048996, 1311245, 2622490, 3610967, 5244980, 7221934, 14443868, 18054835, 36109670, 46942571, 72219340, 93885142, 187770284, 234712855, 469425710, 938851420]

約数ペア:

[(1, 938851420), (2, 469425710), (4, 234712855), (5, 187770284), (10, 93885142), (13, 72219340), (20, 46942571), (26, 36109670), (52, 18054835), (65, 14443868), (130, 7221934), (179, 5244980), (260, 3610967), (358, 2622490), (716, 1311245), (895, 1048996), (1790, 524498), (2327, 403460), (3580, 262249), (4654, 201730), (9308, 100865), (11635, 80692), (20173, 46540), (23270, 40346)]