221536770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4271}}^1$

素因数の和:4320

約数の個数: 128

約数和(自身を含む): 688988160

約数和(自身を除く): 467451390

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 19, 21, 26, 30, 35, 38, 39, 42, 57, 65, 70, 78, 91, 95, 105, 114, 130, 133, 182, 190, 195, 210, 247, 266, 273, 285, 390, 399, 455, 494, 546, 570, 665, 741, 798, 910, 1235, 1330, 1365, 1482, 1729, 1995, 2470, 2730, 3458, 3705, 3990, 4271, 5187, 7410, 8542, 8645, 10374, 12813, 17290, 21355, 25626, 25935, 29897, 42710, 51870, 55523, 59794, 64065, 81149, 89691, 111046, 128130, 149485, 162298, 166569, 179382, 243447, 277615, 298970, 333138, 388661, 405745, 448455, 486894, 555230, 568043, 777322, 811490, 832845, 896910, 1054937, 1136086, 1165983, 1217235, 1665690, 1704129, 1943305, 2109874, 2331966, 2434470, 2840215, 3164811, 3408258, 3886610, 5274685, 5680430, 5829915, 6329622, 7384559, 8520645, 10549370, 11659830, 14769118, 15824055, 17041290, 22153677, 31648110, 36922795, 44307354, 73845590, 110768385, 221536770]

約数ペア:

[(1, 221536770), (2, 110768385), (3, 73845590), (5, 44307354), (6, 36922795), (7, 31648110), (10, 22153677), (13, 17041290), (14, 15824055), (15, 14769118), (19, 11659830), (21, 10549370), (26, 8520645), (30, 7384559), (35, 6329622), (38, 5829915), (39, 5680430), (42, 5274685), (57, 3886610), (65, 3408258), (70, 3164811), (78, 2840215), (91, 2434470), (95, 2331966), (105, 2109874), (114, 1943305), (130, 1704129), (133, 1665690), (182, 1217235), (190, 1165983), (195, 1136086), (210, 1054937), (247, 896910), (266, 832845), (273, 811490), (285, 777322), (390, 568043), (399, 555230), (455, 486894), (494, 448455), (546, 405745), (570, 388661), (665, 333138), (741, 298970), (798, 277615), (910, 243447), (1235, 179382), (1330, 166569), (1365, 162298), (1482, 149485), (1729, 128130), (1995, 111046), (2470, 89691), (2730, 81149), (3458, 64065), (3705, 59794), (3990, 55523), (4271, 51870), (5187, 42710), (7410, 29897), (8542, 25935), (8645, 25626), (10374, 21355), (12813, 17290)]