198485560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1759}}^1$

素因数の和:1821

約数の個数: 128

約数和(自身を含む): 567705600

約数和(自身を除く): 369220040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1759, 1820, 2015, 2170, 2821, 3224, 3518, 3640, 4030, 4340, 5642, 7036, 8060, 8680, 8795, 11284, 12313, 14072, 14105, 16120, 17590, 22568, 22867, 24626, 28210, 35180, 45734, 49252, 54529, 56420, 61565, 70360, 91468, 98504, 109058, 112840, 114335, 123130, 160069, 182936, 218116, 228670, 246260, 272645, 320138, 381703, 436232, 457340, 492520, 545290, 640276, 708877, 763406, 800345, 914680, 1090580, 1280552, 1417754, 1526812, 1600690, 1908515, 2181160, 2835508, 3053624, 3201380, 3544385, 3817030, 4962139, 5671016, 6402760, 7088770, 7634060, 9924278, 14177540, 15268120, 19848556, 24810695, 28355080, 39697112, 49621390, 99242780, 198485560]

約数ペア:

[(1, 198485560), (2, 99242780), (4, 49621390), (5, 39697112), (7, 28355080), (8, 24810695), (10, 19848556), (13, 15268120), (14, 14177540), (20, 9924278), (26, 7634060), (28, 7088770), (31, 6402760), (35, 5671016), (40, 4962139), (52, 3817030), (56, 3544385), (62, 3201380), (65, 3053624), (70, 2835508), (91, 2181160), (104, 1908515), (124, 1600690), (130, 1526812), (140, 1417754), (155, 1280552), (182, 1090580), (217, 914680), (248, 800345), (260, 763406), (280, 708877), (310, 640276), (364, 545290), (403, 492520), (434, 457340), (455, 436232), (520, 381703), (620, 320138), (728, 272645), (806, 246260), (868, 228670), (910, 218116), (1085, 182936), (1240, 160069), (1612, 123130), (1736, 114335), (1759, 112840), (1820, 109058), (2015, 98504), (2170, 91468), (2821, 70360), (3224, 61565), (3518, 56420), (3640, 54529), (4030, 49252), (4340, 45734), (5642, 35180), (7036, 28210), (8060, 24626), (8680, 22867), (8795, 22568), (11284, 17590), (12313, 16120), (14072, 14105)]