213198160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12281}}^1$

素因数の和:12332

約数の個数: 80

約数和(自身を含む): 584819712

約数和(自身を除く): 371621552

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, 12281, 17360, 24562, 49124, 61405, 85967, 98248, 122810, 171934, 196496, 245620, 343868, 380711, 429835, 491240, 687736, 761422, 859670, 982480, 1375472, 1522844, 1719340, 1903555, 2664977, 3045688, 3438680, 3807110, 5329954, 6091376, 6877360, 7614220, 10659908, 13324885, 15228440, 21319816, 26649770, 30456880, 42639632, 53299540, 106599080, 213198160]

約数ペア:

[(1, 213198160), (2, 106599080), (4, 53299540), (5, 42639632), (7, 30456880), (8, 26649770), (10, 21319816), (14, 15228440), (16, 13324885), (20, 10659908), (28, 7614220), (31, 6877360), (35, 6091376), (40, 5329954), (56, 3807110), (62, 3438680), (70, 3045688), (80, 2664977), (112, 1903555), (124, 1719340), (140, 1522844), (155, 1375472), (217, 982480), (248, 859670), (280, 761422), (310, 687736), (434, 491240), (496, 429835), (560, 380711), (620, 343868), (868, 245620), (1085, 196496), (1240, 171934), (1736, 122810), (2170, 98248), (2480, 85967), (3472, 61405), (4340, 49124), (8680, 24562), (12281, 17360)]