8793878680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{983}}^1$

素因数の和:1241

約数の個数: 128

約数和(自身を含む): 21254400000

約数和(自身を除く): 12460521320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 79, 95, 149, 152, 158, 190, 298, 316, 380, 395, 596, 632, 745, 760, 790, 983, 1192, 1490, 1501, 1580, 1966, 2831, 2980, 3002, 3160, 3932, 4915, 5662, 5960, 6004, 7505, 7864, 9830, 11324, 11771, 12008, 14155, 15010, 18677, 19660, 22648, 23542, 28310, 30020, 37354, 39320, 47084, 56620, 58855, 60040, 74708, 77657, 93385, 94168, 113240, 117710, 146467, 149416, 155314, 186770, 223649, 235420, 292934, 310628, 373540, 388285, 447298, 470840, 585868, 621256, 732335, 747080, 776570, 894596, 1118245, 1171736, 1464670, 1475483, 1553140, 1789192, 2236490, 2782873, 2929340, 2950966, 3106280, 4472980, 5565746, 5858680, 5901932, 7377415, 8945960, 11131492, 11570893, 11803864, 13914365, 14754830, 22262984, 23141786, 27828730, 29509660, 46283572, 55657460, 57854465, 59019320, 92567144, 111314920, 115708930, 219846967, 231417860, 439693934, 462835720, 879387868, 1099234835, 1758775736, 2198469670, 4396939340, 8793878680]

約数ペア:

[(1, 8793878680), (2, 4396939340), (4, 2198469670), (5, 1758775736), (8, 1099234835), (10, 879387868), (19, 462835720), (20, 439693934), (38, 231417860), (40, 219846967), (76, 115708930), (79, 111314920), (95, 92567144), (149, 59019320), (152, 57854465), (158, 55657460), (190, 46283572), (298, 29509660), (316, 27828730), (380, 23141786), (395, 22262984), (596, 14754830), (632, 13914365), (745, 11803864), (760, 11570893), (790, 11131492), (983, 8945960), (1192, 7377415), (1490, 5901932), (1501, 5858680), (1580, 5565746), (1966, 4472980), (2831, 3106280), (2980, 2950966), (3002, 2929340), (3160, 2782873), (3932, 2236490), (4915, 1789192), (5662, 1553140), (5960, 1475483), (6004, 1464670), (7505, 1171736), (7864, 1118245), (9830, 894596), (11324, 776570), (11771, 747080), (12008, 732335), (14155, 621256), (15010, 585868), (18677, 470840), (19660, 447298), (22648, 388285), (23542, 373540), (28310, 310628), (30020, 292934), (37354, 235420), (39320, 223649), (47084, 186770), (56620, 155314), (58855, 149416), (60040, 146467), (74708, 117710), (77657, 113240), (93385, 94168)]