89504440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 228096000

約数和(自身を除く): 138591560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 31, 38, 40, 58, 62, 76, 95, 116, 124, 131, 145, 152, 155, 190, 232, 248, 262, 290, 310, 380, 524, 551, 580, 589, 620, 655, 760, 899, 1048, 1102, 1160, 1178, 1240, 1310, 1798, 2204, 2356, 2489, 2620, 2755, 2945, 3596, 3799, 4061, 4408, 4495, 4712, 4978, 5240, 5510, 5890, 7192, 7598, 8122, 8990, 9956, 11020, 11780, 12445, 15196, 16244, 17081, 17980, 18995, 19912, 20305, 22040, 23560, 24890, 30392, 32488, 34162, 35960, 37990, 40610, 49780, 68324, 72181, 75980, 77159, 81220, 85405, 99560, 117769, 136648, 144362, 151960, 154318, 162440, 170810, 235538, 288724, 308636, 341620, 360905, 385795, 471076, 577448, 588845, 617272, 683240, 721810, 771590, 942152, 1177690, 1443620, 1543180, 2237611, 2355380, 2887240, 3086360, 4475222, 4710760, 8950444, 11188055, 17900888, 22376110, 44752220, 89504440]

約数ペア:

[(1, 89504440), (2, 44752220), (4, 22376110), (5, 17900888), (8, 11188055), (10, 8950444), (19, 4710760), (20, 4475222), (29, 3086360), (31, 2887240), (38, 2355380), (40, 2237611), (58, 1543180), (62, 1443620), (76, 1177690), (95, 942152), (116, 771590), (124, 721810), (131, 683240), (145, 617272), (152, 588845), (155, 577448), (190, 471076), (232, 385795), (248, 360905), (262, 341620), (290, 308636), (310, 288724), (380, 235538), (524, 170810), (551, 162440), (580, 154318), (589, 151960), (620, 144362), (655, 136648), (760, 117769), (899, 99560), (1048, 85405), (1102, 81220), (1160, 77159), (1178, 75980), (1240, 72181), (1310, 68324), (1798, 49780), (2204, 40610), (2356, 37990), (2489, 35960), (2620, 34162), (2755, 32488), (2945, 30392), (3596, 24890), (3799, 23560), (4061, 22040), (4408, 20305), (4495, 19912), (4712, 18995), (4978, 17980), (5240, 17081), (5510, 16244), (5890, 15196), (7192, 12445), (7598, 11780), (8122, 11020), (8990, 9956)]