225976340

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{1607}}^1$

素因数の和:1784

約数の個数: 48

約数和(自身を含む): 486259200

約数和(自身を除く): 260282860

約数列:

[1, 2, 4, 5, 10, 20, 79, 89, 158, 178, 316, 356, 395, 445, 790, 890, 1580, 1607, 1780, 3214, 6428, 7031, 8035, 14062, 16070, 28124, 32140, 35155, 70310, 126953, 140620, 143023, 253906, 286046, 507812, 572092, 634765, 715115, 1269530, 1430230, 2539060, 2860460, 11298817, 22597634, 45195268, 56494085, 112988170, 225976340]

約数ペア:

[(1, 225976340), (2, 112988170), (4, 56494085), (5, 45195268), (10, 22597634), (20, 11298817), (79, 2860460), (89, 2539060), (158, 1430230), (178, 1269530), (316, 715115), (356, 634765), (395, 572092), (445, 507812), (790, 286046), (890, 253906), (1580, 143023), (1607, 140620), (1780, 126953), (3214, 70310), (6428, 35155), (7031, 32140), (8035, 28124), (14062, 16070)]