211901120

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:610

約数の個数: 112

約数和(自身を含む): 534594816

約数和(自身を除く): 322693696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 155, 160, 164, 205, 248, 310, 320, 328, 410, 496, 521, 620, 656, 820, 992, 1042, 1240, 1271, 1312, 1640, 1984, 2084, 2480, 2542, 2605, 2624, 3280, 4168, 4960, 5084, 5210, 6355, 6560, 8336, 9920, 10168, 10420, 12710, 13120, 16151, 16672, 20336, 20840, 21361, 25420, 32302, 33344, 40672, 41680, 42722, 50840, 64604, 80755, 81344, 83360, 85444, 101680, 106805, 129208, 161510, 166720, 170888, 203360, 213610, 258416, 323020, 341776, 406720, 427220, 516832, 646040, 662191, 683552, 854440, 1033664, 1292080, 1324382, 1367104, 1708880, 2584160, 2648764, 3310955, 3417760, 5168320, 5297528, 6621910, 6835520, 10595056, 13243820, 21190112, 26487640, 42380224, 52975280, 105950560, 211901120]

約数ペア:

[(1, 211901120), (2, 105950560), (4, 52975280), (5, 42380224), (8, 26487640), (10, 21190112), (16, 13243820), (20, 10595056), (31, 6835520), (32, 6621910), (40, 5297528), (41, 5168320), (62, 3417760), (64, 3310955), (80, 2648764), (82, 2584160), (124, 1708880), (155, 1367104), (160, 1324382), (164, 1292080), (205, 1033664), (248, 854440), (310, 683552), (320, 662191), (328, 646040), (410, 516832), (496, 427220), (521, 406720), (620, 341776), (656, 323020), (820, 258416), (992, 213610), (1042, 203360), (1240, 170888), (1271, 166720), (1312, 161510), (1640, 129208), (1984, 106805), (2084, 101680), (2480, 85444), (2542, 83360), (2605, 81344), (2624, 80755), (3280, 64604), (4168, 50840), (4960, 42722), (5084, 41680), (5210, 40672), (6355, 33344), (6560, 32302), (8336, 25420), (9920, 21361), (10168, 20840), (10420, 20336), (12710, 16672), (13120, 16151)]