204203490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{929}}^1$

素因数の和:1387

約数の個数: 64

約数和(自身を含む): 520680960

約数和(自身を除く): 316477470

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 431, 510, 862, 929, 1293, 1858, 2155, 2586, 2787, 4310, 4645, 5574, 6465, 7327, 9290, 12930, 13935, 14654, 15793, 21981, 27870, 31586, 36635, 43962, 47379, 73270, 78965, 94758, 109905, 157930, 219810, 236895, 400399, 473790, 800798, 1201197, 2001995, 2402394, 4003990, 6005985, 6806783, 12011970, 13613566, 20420349, 34033915, 40840698, 68067830, 102101745, 204203490]

約数ペア:

[(1, 204203490), (2, 102101745), (3, 68067830), (5, 40840698), (6, 34033915), (10, 20420349), (15, 13613566), (17, 12011970), (30, 6806783), (34, 6005985), (51, 4003990), (85, 2402394), (102, 2001995), (170, 1201197), (255, 800798), (431, 473790), (510, 400399), (862, 236895), (929, 219810), (1293, 157930), (1858, 109905), (2155, 94758), (2586, 78965), (2787, 73270), (4310, 47379), (4645, 43962), (5574, 36635), (6465, 31586), (7327, 27870), (9290, 21981), (12930, 15793), (13935, 14654)]