78862540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 183859200

約数和(自身を除く): 104996660

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 71, 74, 76, 79, 95, 142, 148, 158, 185, 190, 284, 316, 355, 370, 380, 395, 703, 710, 740, 790, 1349, 1406, 1420, 1501, 1580, 2627, 2698, 2812, 2923, 3002, 3515, 5254, 5396, 5609, 5846, 6004, 6745, 7030, 7505, 10508, 11218, 11692, 13135, 13490, 14060, 14615, 15010, 22436, 26270, 26980, 28045, 29230, 30020, 49913, 52540, 55537, 56090, 58460, 99826, 106571, 111074, 112180, 199652, 207533, 213142, 222148, 249565, 277685, 415066, 426284, 499130, 532855, 555370, 830132, 998260, 1037665, 1065710, 1110740, 2075330, 2131420, 3943127, 4150660, 7886254, 15772508, 19715635, 39431270, 78862540]

約数ペア:

[(1, 78862540), (2, 39431270), (4, 19715635), (5, 15772508), (10, 7886254), (19, 4150660), (20, 3943127), (37, 2131420), (38, 2075330), (71, 1110740), (74, 1065710), (76, 1037665), (79, 998260), (95, 830132), (142, 555370), (148, 532855), (158, 499130), (185, 426284), (190, 415066), (284, 277685), (316, 249565), (355, 222148), (370, 213142), (380, 207533), (395, 199652), (703, 112180), (710, 111074), (740, 106571), (790, 99826), (1349, 58460), (1406, 56090), (1420, 55537), (1501, 52540), (1580, 49913), (2627, 30020), (2698, 29230), (2812, 28045), (2923, 26980), (3002, 26270), (3515, 22436), (5254, 15010), (5396, 14615), (5609, 14060), (5846, 13490), (6004, 13135), (6745, 11692), (7030, 11218), (7505, 10508)]