156740761820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{919}}^1\times {\mathrm{3229}}^1$

素因数の和:4315

約数の個数: 96

約数和(自身を含む): 349460160000

約数和(自身を除く): 192719398180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 190, 278, 380, 556, 695, 919, 1390, 1838, 2641, 2780, 3229, 3676, 4595, 5282, 6458, 9190, 10564, 12916, 13205, 16145, 17461, 18380, 26410, 32290, 34922, 52820, 61351, 64580, 69844, 87305, 122702, 127741, 174610, 245404, 255482, 306755, 349220, 448831, 510964, 613510, 638705, 897662, 1227020, 1277410, 1795324, 2244155, 2427079, 2554820, 2967451, 4488310, 4854158, 5934902, 8527789, 8976620, 9708316, 11869804, 12135395, 14837255, 17055578, 24270790, 29674510, 34111156, 42638945, 48541580, 56381569, 59349020, 85277890, 112763138, 170555780, 225526276, 281907845, 412475689, 563815690, 824951378, 1127631380, 1649902756, 2062378445, 4124756890, 7837038091, 8249513780, 15674076182, 31348152364, 39185190455, 78370380910, 156740761820]

約数ペア:

[(1, 156740761820), (2, 78370380910), (4, 39185190455), (5, 31348152364), (10, 15674076182), (19, 8249513780), (20, 7837038091), (38, 4124756890), (76, 2062378445), (95, 1649902756), (139, 1127631380), (190, 824951378), (278, 563815690), (380, 412475689), (556, 281907845), (695, 225526276), (919, 170555780), (1390, 112763138), (1838, 85277890), (2641, 59349020), (2780, 56381569), (3229, 48541580), (3676, 42638945), (4595, 34111156), (5282, 29674510), (6458, 24270790), (9190, 17055578), (10564, 14837255), (12916, 12135395), (13205, 11869804), (16145, 9708316), (17461, 8976620), (18380, 8527789), (26410, 5934902), (32290, 4854158), (34922, 4488310), (52820, 2967451), (61351, 2554820), (64580, 2427079), (69844, 2244155), (87305, 1795324), (122702, 1277410), (127741, 1227020), (174610, 897662), (245404, 638705), (255482, 613510), (306755, 510964), (349220, 448831)]