686385420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{367}}^1$

素因数の和:520

約数の個数: 192

約数和(自身を含む): 2269188096

約数和(自身を除く): 1582802676

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 73, 84, 105, 122, 140, 146, 183, 210, 219, 244, 292, 305, 365, 366, 367, 420, 427, 438, 511, 610, 730, 732, 734, 854, 876, 915, 1022, 1095, 1101, 1220, 1281, 1460, 1468, 1533, 1708, 1830, 1835, 2044, 2135, 2190, 2202, 2555, 2562, 2569, 3066, 3660, 3670, 4270, 4380, 4404, 4453, 5110, 5124, 5138, 5505, 6132, 6405, 7340, 7665, 7707, 8540, 8906, 10220, 10276, 11010, 12810, 12845, 13359, 15330, 15414, 17812, 22020, 22265, 22387, 25620, 25690, 26718, 26791, 30660, 30828, 31171, 38535, 44530, 44774, 51380, 53436, 53582, 62342, 66795, 67161, 77070, 80373, 89060, 89548, 93513, 107164, 111935, 124684, 133590, 133955, 134322, 154140, 155855, 156709, 160746, 187026, 187537, 223870, 267180, 267910, 268644, 311710, 313418, 321492, 335805, 374052, 375074, 401865, 447740, 467565, 470127, 535820, 562611, 623420, 626836, 671610, 750148, 783545, 803730, 935130, 937685, 940254, 1125222, 1343220, 1567090, 1607460, 1634251, 1870260, 1875370, 1880508, 2250444, 2350635, 2813055, 3134180, 3268502, 3750740, 4701270, 4902753, 5626110, 6537004, 8171255, 9402540, 9805506, 11252220, 11439757, 16342510, 19611012, 22879514, 24513765, 32685020, 34319271, 45759028, 49027530, 57198785, 68638542, 98055060, 114397570, 137277084, 171596355, 228795140, 343192710, 686385420]

約数ペア:

[(1, 686385420), (2, 343192710), (3, 228795140), (4, 171596355), (5, 137277084), (6, 114397570), (7, 98055060), (10, 68638542), (12, 57198785), (14, 49027530), (15, 45759028), (20, 34319271), (21, 32685020), (28, 24513765), (30, 22879514), (35, 19611012), (42, 16342510), (60, 11439757), (61, 11252220), (70, 9805506), (73, 9402540), (84, 8171255), (105, 6537004), (122, 5626110), (140, 4902753), (146, 4701270), (183, 3750740), (210, 3268502), (219, 3134180), (244, 2813055), (292, 2350635), (305, 2250444), (365, 1880508), (366, 1875370), (367, 1870260), (420, 1634251), (427, 1607460), (438, 1567090), (511, 1343220), (610, 1125222), (730, 940254), (732, 937685), (734, 935130), (854, 803730), (876, 783545), (915, 750148), (1022, 671610), (1095, 626836), (1101, 623420), (1220, 562611), (1281, 535820), (1460, 470127), (1468, 467565), (1533, 447740), (1708, 401865), (1830, 375074), (1835, 374052), (2044, 335805), (2135, 321492), (2190, 313418), (2202, 311710), (2555, 268644), (2562, 267910), (2569, 267180), (3066, 223870), (3660, 187537), (3670, 187026), (4270, 160746), (4380, 156709), (4404, 155855), (4453, 154140), (5110, 134322), (5124, 133955), (5138, 133590), (5505, 124684), (6132, 111935), (6405, 107164), (7340, 93513), (7665, 89548), (7707, 89060), (8540, 80373), (8906, 77070), (10220, 67161), (10276, 66795), (11010, 62342), (12810, 53582), (12845, 53436), (13359, 51380), (15330, 44774), (15414, 44530), (17812, 38535), (22020, 31171), (22265, 30828), (22387, 30660), (25620, 26791), (25690, 26718)]