889968150

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{487}}^1$

素因数の和:667

約数の個数: 144

約数和(自身を含む): 2492126208

約数和(自身を除く): 1602158058

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 31, 45, 50, 62, 75, 90, 93, 131, 150, 155, 186, 225, 262, 279, 310, 393, 450, 465, 487, 558, 655, 775, 786, 930, 974, 1179, 1310, 1395, 1461, 1550, 1965, 2325, 2358, 2435, 2790, 2922, 3275, 3930, 4061, 4383, 4650, 4870, 5895, 6550, 6975, 7305, 8122, 8766, 9825, 11790, 12175, 12183, 13950, 14610, 15097, 19650, 20305, 21915, 24350, 24366, 29475, 30194, 36525, 36549, 40610, 43830, 45291, 58950, 60915, 63797, 73050, 73098, 75485, 90582, 101525, 109575, 121830, 127594, 135873, 150970, 182745, 191391, 203050, 219150, 226455, 271746, 304575, 318985, 365490, 377425, 382782, 452910, 574173, 609150, 637970, 679365, 754850, 913725, 956955, 1132275, 1148346, 1358730, 1594925, 1827450, 1913910, 1977707, 2264550, 2870865, 3189850, 3396825, 3955414, 4784775, 5741730, 5933121, 6793650, 9569550, 9888535, 11866242, 14354325, 17799363, 19777070, 28708650, 29665605, 35598726, 49442675, 59331210, 88996815, 98885350, 148328025, 177993630, 296656050, 444984075, 889968150]

約数ペア:

[(1, 889968150), (2, 444984075), (3, 296656050), (5, 177993630), (6, 148328025), (9, 98885350), (10, 88996815), (15, 59331210), (18, 49442675), (25, 35598726), (30, 29665605), (31, 28708650), (45, 19777070), (50, 17799363), (62, 14354325), (75, 11866242), (90, 9888535), (93, 9569550), (131, 6793650), (150, 5933121), (155, 5741730), (186, 4784775), (225, 3955414), (262, 3396825), (279, 3189850), (310, 2870865), (393, 2264550), (450, 1977707), (465, 1913910), (487, 1827450), (558, 1594925), (655, 1358730), (775, 1148346), (786, 1132275), (930, 956955), (974, 913725), (1179, 754850), (1310, 679365), (1395, 637970), (1461, 609150), (1550, 574173), (1965, 452910), (2325, 382782), (2358, 377425), (2435, 365490), (2790, 318985), (2922, 304575), (3275, 271746), (3930, 226455), (4061, 219150), (4383, 203050), (4650, 191391), (4870, 182745), (5895, 150970), (6550, 135873), (6975, 127594), (7305, 121830), (8122, 109575), (8766, 101525), (9825, 90582), (11790, 75485), (12175, 73098), (12183, 73050), (13950, 63797), (14610, 60915), (15097, 58950), (19650, 45291), (20305, 43830), (21915, 40610), (24350, 36549), (24366, 36525), (29475, 30194)]