804278020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{239}}^1$

素因数の和:354

約数の個数: 144

約数和(自身を含む): 2137121280

約数和(自身を除く): 1332843260

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 43, 52, 65, 70, 86, 91, 130, 140, 172, 182, 215, 239, 260, 301, 364, 430, 455, 478, 559, 602, 860, 910, 956, 1118, 1195, 1204, 1505, 1673, 1820, 1849, 2236, 2390, 2795, 3010, 3107, 3346, 3698, 3913, 4780, 5590, 6020, 6214, 6692, 7396, 7826, 8365, 9245, 10277, 11180, 12428, 12943, 15535, 15652, 16730, 18490, 19565, 20554, 21749, 24037, 25886, 31070, 33460, 36980, 39130, 41108, 43498, 48074, 51385, 51772, 62140, 64715, 71939, 78260, 86996, 96148, 102770, 108745, 120185, 129430, 133601, 143878, 168259, 205540, 217490, 240370, 258860, 267202, 287756, 336518, 359695, 434980, 441911, 480740, 534404, 668005, 673036, 719390, 841295, 883822, 935207, 1336010, 1438780, 1682590, 1767644, 1870414, 2209555, 2672020, 3093377, 3365180, 3740828, 4419110, 4676035, 5744843, 6186754, 8838220, 9352070, 11489686, 12373508, 15466885, 18704140, 22979372, 28724215, 30933770, 40213901, 57448430, 61867540, 80427802, 114896860, 160855604, 201069505, 402139010, 804278020]

約数ペア:

[(1, 804278020), (2, 402139010), (4, 201069505), (5, 160855604), (7, 114896860), (10, 80427802), (13, 61867540), (14, 57448430), (20, 40213901), (26, 30933770), (28, 28724215), (35, 22979372), (43, 18704140), (52, 15466885), (65, 12373508), (70, 11489686), (86, 9352070), (91, 8838220), (130, 6186754), (140, 5744843), (172, 4676035), (182, 4419110), (215, 3740828), (239, 3365180), (260, 3093377), (301, 2672020), (364, 2209555), (430, 1870414), (455, 1767644), (478, 1682590), (559, 1438780), (602, 1336010), (860, 935207), (910, 883822), (956, 841295), (1118, 719390), (1195, 673036), (1204, 668005), (1505, 534404), (1673, 480740), (1820, 441911), (1849, 434980), (2236, 359695), (2390, 336518), (2795, 287756), (3010, 267202), (3107, 258860), (3346, 240370), (3698, 217490), (3913, 205540), (4780, 168259), (5590, 143878), (6020, 133601), (6214, 129430), (6692, 120185), (7396, 108745), (7826, 102770), (8365, 96148), (9245, 86996), (10277, 78260), (11180, 71939), (12428, 64715), (12943, 62140), (15535, 51772), (15652, 51385), (16730, 48074), (18490, 43498), (19565, 41108), (20554, 39130), (21749, 36980), (24037, 33460), (25886, 31070)]