208735930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{269}}^1$

素因数の和:463

約数の個数: 64

約数和(自身を含む): 418037760

約数和(自身を除く): 209301830

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 127, 130, 235, 254, 269, 470, 538, 611, 635, 1222, 1270, 1345, 1651, 2690, 3055, 3302, 3497, 5969, 6110, 6994, 8255, 11938, 12643, 16510, 17485, 25286, 29845, 34163, 34970, 59690, 63215, 68326, 77597, 126430, 155194, 164359, 170815, 328718, 341630, 387985, 444119, 775970, 821795, 888238, 1605661, 1643590, 2220595, 3211322, 4441190, 8028305, 16056610, 20873593, 41747186, 104367965, 208735930]

約数ペア:

[(1, 208735930), (2, 104367965), (5, 41747186), (10, 20873593), (13, 16056610), (26, 8028305), (47, 4441190), (65, 3211322), (94, 2220595), (127, 1643590), (130, 1605661), (235, 888238), (254, 821795), (269, 775970), (470, 444119), (538, 387985), (611, 341630), (635, 328718), (1222, 170815), (1270, 164359), (1345, 155194), (1651, 126430), (2690, 77597), (3055, 68326), (3302, 63215), (3497, 59690), (5969, 34970), (6110, 34163), (6994, 29845), (8255, 25286), (11938, 17485), (12643, 16510)]