881422100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{719}}^1$

素因数の和:810

約数の個数: 144

約数和(自身を含む): 2204858880

約数和(自身を除く): 1323436780

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 25, 26, 41, 46, 50, 52, 65, 82, 92, 100, 115, 130, 164, 205, 230, 260, 299, 325, 410, 460, 533, 575, 598, 650, 719, 820, 943, 1025, 1066, 1150, 1196, 1300, 1438, 1495, 1886, 2050, 2132, 2300, 2665, 2876, 2990, 3595, 3772, 4100, 4715, 5330, 5980, 7190, 7475, 9347, 9430, 10660, 12259, 13325, 14380, 14950, 16537, 17975, 18694, 18860, 23575, 24518, 26650, 29479, 29900, 33074, 35950, 37388, 46735, 47150, 49036, 53300, 58958, 61295, 66148, 71900, 82685, 93470, 94300, 117916, 122590, 147395, 165370, 186940, 214981, 233675, 245180, 294790, 306475, 330740, 383227, 413425, 429962, 467350, 589580, 612950, 678017, 736975, 766454, 826850, 859924, 934700, 1074905, 1225900, 1356034, 1473950, 1532908, 1653700, 1916135, 2149810, 2712068, 2947900, 3390085, 3832270, 4299620, 5374525, 6780170, 7664540, 8814221, 9580675, 10749050, 13560340, 16950425, 17628442, 19161350, 21498100, 33900850, 35256884, 38322700, 44071105, 67801700, 88142210, 176284420, 220355525, 440711050, 881422100]

約数ペア:

[(1, 881422100), (2, 440711050), (4, 220355525), (5, 176284420), (10, 88142210), (13, 67801700), (20, 44071105), (23, 38322700), (25, 35256884), (26, 33900850), (41, 21498100), (46, 19161350), (50, 17628442), (52, 16950425), (65, 13560340), (82, 10749050), (92, 9580675), (100, 8814221), (115, 7664540), (130, 6780170), (164, 5374525), (205, 4299620), (230, 3832270), (260, 3390085), (299, 2947900), (325, 2712068), (410, 2149810), (460, 1916135), (533, 1653700), (575, 1532908), (598, 1473950), (650, 1356034), (719, 1225900), (820, 1074905), (943, 934700), (1025, 859924), (1066, 826850), (1150, 766454), (1196, 736975), (1300, 678017), (1438, 612950), (1495, 589580), (1886, 467350), (2050, 429962), (2132, 413425), (2300, 383227), (2665, 330740), (2876, 306475), (2990, 294790), (3595, 245180), (3772, 233675), (4100, 214981), (4715, 186940), (5330, 165370), (5980, 147395), (7190, 122590), (7475, 117916), (9347, 94300), (9430, 93470), (10660, 82685), (12259, 71900), (13325, 66148), (14380, 61295), (14950, 58958), (16537, 53300), (17975, 49036), (18694, 47150), (18860, 46735), (23575, 37388), (24518, 35950), (26650, 33074), (29479, 29900)]