431482780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{3929}}^1$

素因数の和:3991

約数の個数: 72

約数和(自身を含む): 1013468400

約数和(自身を除く): 581985620

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 289, 323, 340, 380, 578, 646, 1156, 1292, 1445, 1615, 2890, 3230, 3929, 5491, 5780, 6460, 7858, 10982, 15716, 19645, 21964, 27455, 39290, 54910, 66793, 74651, 78580, 109820, 133586, 149302, 267172, 298604, 333965, 373255, 667930, 746510, 1135481, 1269067, 1335860, 1493020, 2270962, 2538134, 4541924, 5076268, 5677405, 6345335, 11354810, 12690670, 21574139, 22709620, 25381340, 43148278, 86296556, 107870695, 215741390, 431482780]

約数ペア:

[(1, 431482780), (2, 215741390), (4, 107870695), (5, 86296556), (10, 43148278), (17, 25381340), (19, 22709620), (20, 21574139), (34, 12690670), (38, 11354810), (68, 6345335), (76, 5677405), (85, 5076268), (95, 4541924), (170, 2538134), (190, 2270962), (289, 1493020), (323, 1335860), (340, 1269067), (380, 1135481), (578, 746510), (646, 667930), (1156, 373255), (1292, 333965), (1445, 298604), (1615, 267172), (2890, 149302), (3230, 133586), (3929, 109820), (5491, 78580), (5780, 74651), (6460, 66793), (7858, 54910), (10982, 39290), (15716, 27455), (19645, 21964)]