1551169690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:500

約数の個数: 128

約数和(自身を含む): 3512678400

約数和(自身を除く): 1961508710

約数列:

[1, 2, 5, 7, 10, 14, 19, 29, 35, 38, 58, 70, 95, 131, 133, 145, 190, 203, 262, 266, 290, 307, 406, 551, 614, 655, 665, 917, 1015, 1102, 1310, 1330, 1535, 1834, 2030, 2149, 2489, 2755, 3070, 3799, 3857, 4298, 4585, 4978, 5510, 5833, 7598, 7714, 8903, 9170, 10745, 11666, 12445, 17423, 17806, 18995, 19285, 21490, 24890, 26593, 29165, 34846, 37990, 38570, 40217, 40831, 44515, 53186, 58330, 62321, 72181, 80434, 81662, 87115, 89030, 124642, 132965, 144362, 169157, 174230, 201085, 204155, 265930, 281519, 311605, 338314, 360905, 402170, 408310, 505267, 563038, 623210, 721810, 764123, 845785, 1010534, 1166293, 1184099, 1407595, 1528246, 1691570, 2332586, 2368198, 2526335, 2815190, 3820615, 5052670, 5348861, 5831465, 5920495, 7641230, 8164051, 10697722, 11662930, 11840990, 16328102, 22159567, 26744305, 40820255, 44319134, 53488610, 81640510, 110797835, 155116969, 221595670, 310233938, 775584845, 1551169690]

約数ペア:

[(1, 1551169690), (2, 775584845), (5, 310233938), (7, 221595670), (10, 155116969), (14, 110797835), (19, 81640510), (29, 53488610), (35, 44319134), (38, 40820255), (58, 26744305), (70, 22159567), (95, 16328102), (131, 11840990), (133, 11662930), (145, 10697722), (190, 8164051), (203, 7641230), (262, 5920495), (266, 5831465), (290, 5348861), (307, 5052670), (406, 3820615), (551, 2815190), (614, 2526335), (655, 2368198), (665, 2332586), (917, 1691570), (1015, 1528246), (1102, 1407595), (1310, 1184099), (1330, 1166293), (1535, 1010534), (1834, 845785), (2030, 764123), (2149, 721810), (2489, 623210), (2755, 563038), (3070, 505267), (3799, 408310), (3857, 402170), (4298, 360905), (4585, 338314), (4978, 311605), (5510, 281519), (5833, 265930), (7598, 204155), (7714, 201085), (8903, 174230), (9170, 169157), (10745, 144362), (11666, 132965), (12445, 124642), (17423, 89030), (17806, 87115), (18995, 81662), (19285, 80434), (21490, 72181), (24890, 62321), (26593, 58330), (29165, 53186), (34846, 44515), (37990, 40831), (38570, 40217)]