17958551480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{47}}^2\times {\mathrm{563}}^1$

素因数の和:706

約数の個数: 144

約数和(自身を含む): 43649386920

約数和(自身を除く): 25690835440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 361, 376, 380, 470, 563, 722, 760, 893, 940, 1126, 1444, 1786, 1805, 1880, 2209, 2252, 2815, 2888, 3572, 3610, 4418, 4465, 4504, 5630, 7144, 7220, 8836, 8930, 10697, 11045, 11260, 14440, 16967, 17672, 17860, 21394, 22090, 22520, 26461, 33934, 35720, 41971, 42788, 44180, 52922, 53485, 67868, 83942, 84835, 85576, 88360, 105844, 106970, 132305, 135736, 167884, 169670, 203243, 209855, 211688, 213940, 264610, 335768, 339340, 406486, 419710, 427880, 502759, 529220, 678680, 797449, 812972, 839420, 1005518, 1016215, 1058440, 1243667, 1594898, 1625944, 1678840, 2011036, 2032430, 2487334, 2513795, 3189796, 3987245, 4022072, 4064860, 4974668, 5027590, 6218335, 6379592, 7974490, 8129720, 9552421, 9949336, 10055180, 12436670, 15948980, 19104842, 20110360, 23629673, 24873340, 31897960, 38209684, 47259346, 47762105, 49746680, 76419368, 94518692, 95524210, 118148365, 189037384, 191048420, 236296730, 382096840, 448963787, 472593460, 897927574, 945186920, 1795855148, 2244818935, 3591710296, 4489637870, 8979275740, 17958551480]

約数ペア:

[(1, 17958551480), (2, 8979275740), (4, 4489637870), (5, 3591710296), (8, 2244818935), (10, 1795855148), (19, 945186920), (20, 897927574), (38, 472593460), (40, 448963787), (47, 382096840), (76, 236296730), (94, 191048420), (95, 189037384), (152, 118148365), (188, 95524210), (190, 94518692), (235, 76419368), (361, 49746680), (376, 47762105), (380, 47259346), (470, 38209684), (563, 31897960), (722, 24873340), (760, 23629673), (893, 20110360), (940, 19104842), (1126, 15948980), (1444, 12436670), (1786, 10055180), (1805, 9949336), (1880, 9552421), (2209, 8129720), (2252, 7974490), (2815, 6379592), (2888, 6218335), (3572, 5027590), (3610, 4974668), (4418, 4064860), (4465, 4022072), (4504, 3987245), (5630, 3189796), (7144, 2513795), (7220, 2487334), (8836, 2032430), (8930, 2011036), (10697, 1678840), (11045, 1625944), (11260, 1594898), (14440, 1243667), (16967, 1058440), (17672, 1016215), (17860, 1005518), (21394, 839420), (22090, 812972), (22520, 797449), (26461, 678680), (33934, 529220), (35720, 502759), (41971, 427880), (42788, 419710), (44180, 406486), (52922, 339340), (53485, 335768), (67868, 264610), (83942, 213940), (84835, 211688), (85576, 209855), (88360, 203243), (105844, 169670), (106970, 167884), (132305, 135736)]