39900131860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{863}}^1$

素因数の和:1346

約数の個数: 144

約数和(自身を含む): 94025111040

約数和(自身を除く): 54124979180

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 289, 323, 340, 380, 421, 578, 646, 842, 863, 1156, 1292, 1445, 1615, 1684, 1726, 2105, 2890, 3230, 3452, 4210, 4315, 5491, 5780, 6460, 7157, 7999, 8420, 8630, 10982, 14314, 14671, 15998, 16397, 17260, 21964, 27455, 28628, 29342, 31996, 32794, 35785, 39995, 54910, 58684, 65588, 71570, 73355, 79990, 81985, 109820, 121669, 135983, 143140, 146710, 159980, 163970, 243338, 249407, 271966, 278749, 293420, 327940, 363323, 486676, 498814, 543932, 557498, 608345, 679915, 726646, 997628, 1114996, 1216690, 1247035, 1359830, 1393745, 1453292, 1816615, 2311711, 2433380, 2494070, 2719660, 2787490, 3633230, 4623422, 4738733, 4988140, 5574980, 6176491, 6903137, 7266460, 9246844, 9477466, 11558555, 12352982, 13806274, 18954932, 23117110, 23693665, 24705964, 27612548, 30882455, 34515685, 46234220, 47387330, 61764910, 69031370, 94774660, 105000347, 117353329, 123529820, 138062740, 210000694, 234706658, 420001388, 469413316, 525001735, 586766645, 1050003470, 1173533290, 1995006593, 2100006940, 2347066580, 3990013186, 7980026372, 9975032965, 19950065930, 39900131860]

約数ペア:

[(1, 39900131860), (2, 19950065930), (4, 9975032965), (5, 7980026372), (10, 3990013186), (17, 2347066580), (19, 2100006940), (20, 1995006593), (34, 1173533290), (38, 1050003470), (68, 586766645), (76, 525001735), (85, 469413316), (95, 420001388), (170, 234706658), (190, 210000694), (289, 138062740), (323, 123529820), (340, 117353329), (380, 105000347), (421, 94774660), (578, 69031370), (646, 61764910), (842, 47387330), (863, 46234220), (1156, 34515685), (1292, 30882455), (1445, 27612548), (1615, 24705964), (1684, 23693665), (1726, 23117110), (2105, 18954932), (2890, 13806274), (3230, 12352982), (3452, 11558555), (4210, 9477466), (4315, 9246844), (5491, 7266460), (5780, 6903137), (6460, 6176491), (7157, 5574980), (7999, 4988140), (8420, 4738733), (8630, 4623422), (10982, 3633230), (14314, 2787490), (14671, 2719660), (15998, 2494070), (16397, 2433380), (17260, 2311711), (21964, 1816615), (27455, 1453292), (28628, 1393745), (29342, 1359830), (31996, 1247035), (32794, 1216690), (35785, 1114996), (39995, 997628), (54910, 726646), (58684, 679915), (65588, 608345), (71570, 557498), (73355, 543932), (79990, 498814), (81985, 486676), (109820, 363323), (121669, 327940), (135983, 293420), (143140, 278749), (146710, 271966), (159980, 249407), (163970, 243338)]