178373140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:485

約数の個数: 96

約数和(自身を含む): 434649600

約数和(自身を除く): 256276460

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 139, 190, 209, 220, 278, 307, 380, 418, 556, 614, 695, 836, 1045, 1228, 1390, 1529, 1535, 2090, 2641, 2780, 3058, 3070, 3377, 4180, 5282, 5833, 6116, 6140, 6754, 7645, 10564, 11666, 13205, 13508, 15290, 16885, 23332, 26410, 29051, 29165, 30580, 33770, 42673, 52820, 58102, 58330, 64163, 67540, 85346, 116204, 116660, 128326, 145255, 170692, 213365, 256652, 290510, 320815, 426730, 469403, 581020, 641630, 810787, 853460, 938806, 1283260, 1621574, 1877612, 2347015, 3243148, 4053935, 4694030, 8107870, 8918657, 9388060, 16215740, 17837314, 35674628, 44593285, 89186570, 178373140]

約数ペア:

[(1, 178373140), (2, 89186570), (4, 44593285), (5, 35674628), (10, 17837314), (11, 16215740), (19, 9388060), (20, 8918657), (22, 8107870), (38, 4694030), (44, 4053935), (55, 3243148), (76, 2347015), (95, 1877612), (110, 1621574), (139, 1283260), (190, 938806), (209, 853460), (220, 810787), (278, 641630), (307, 581020), (380, 469403), (418, 426730), (556, 320815), (614, 290510), (695, 256652), (836, 213365), (1045, 170692), (1228, 145255), (1390, 128326), (1529, 116660), (1535, 116204), (2090, 85346), (2641, 67540), (2780, 64163), (3058, 58330), (3070, 58102), (3377, 52820), (4180, 42673), (5282, 33770), (5833, 30580), (6116, 29165), (6140, 29051), (6754, 26410), (7645, 23332), (10564, 16885), (11666, 15290), (13205, 13508)]