9993977960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1\times {\mathrm{919}}^1$

素因数の和:1339

約数の個数: 128

約数和(自身を含む): 24343200000

約数和(自身を除く): 14349222040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 349, 380, 410, 698, 760, 779, 820, 919, 1396, 1558, 1640, 1745, 1838, 2792, 3116, 3490, 3676, 3895, 4595, 6232, 6631, 6980, 7352, 7790, 9190, 13262, 13960, 14309, 15580, 17461, 18380, 26524, 28618, 31160, 33155, 34922, 36760, 37679, 53048, 57236, 66310, 69844, 71545, 75358, 87305, 114472, 132620, 139688, 143090, 150716, 174610, 188395, 265240, 271871, 286180, 301432, 320731, 349220, 376790, 543742, 572360, 641462, 698440, 715901, 753580, 1087484, 1282924, 1359355, 1431802, 1507160, 1603655, 2174968, 2565848, 2718710, 2863604, 3207310, 3579505, 5437420, 5727208, 6093889, 6414620, 7159010, 10874840, 12187778, 12829240, 13149971, 14318020, 24375556, 26299942, 28636040, 30469445, 48751112, 52599884, 60938890, 65749855, 105199768, 121877780, 131499710, 243755560, 249849449, 262999420, 499698898, 525998840, 999397796, 1249247245, 1998795592, 2498494490, 4996988980, 9993977960]

約数ペア:

[(1, 9993977960), (2, 4996988980), (4, 2498494490), (5, 1998795592), (8, 1249247245), (10, 999397796), (19, 525998840), (20, 499698898), (38, 262999420), (40, 249849449), (41, 243755560), (76, 131499710), (82, 121877780), (95, 105199768), (152, 65749855), (164, 60938890), (190, 52599884), (205, 48751112), (328, 30469445), (349, 28636040), (380, 26299942), (410, 24375556), (698, 14318020), (760, 13149971), (779, 12829240), (820, 12187778), (919, 10874840), (1396, 7159010), (1558, 6414620), (1640, 6093889), (1745, 5727208), (1838, 5437420), (2792, 3579505), (3116, 3207310), (3490, 2863604), (3676, 2718710), (3895, 2565848), (4595, 2174968), (6232, 1603655), (6631, 1507160), (6980, 1431802), (7352, 1359355), (7790, 1282924), (9190, 1087484), (13262, 753580), (13960, 715901), (14309, 698440), (15580, 641462), (17461, 572360), (18380, 543742), (26524, 376790), (28618, 349220), (31160, 320731), (33155, 301432), (34922, 286180), (36760, 271871), (37679, 265240), (53048, 188395), (57236, 174610), (66310, 150716), (69844, 143090), (71545, 139688), (75358, 132620), (87305, 114472)]