149499980

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:117

約数の個数: 192

約数和(自身を含む): 408576000

約数和(自身を除く): 259076020

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 37, 38, 49, 62, 70, 74, 76, 95, 98, 124, 133, 140, 148, 155, 185, 190, 196, 217, 245, 259, 266, 310, 343, 370, 380, 434, 490, 518, 532, 589, 620, 665, 686, 703, 740, 868, 931, 980, 1036, 1085, 1147, 1178, 1295, 1330, 1372, 1406, 1519, 1715, 1813, 1862, 2170, 2294, 2356, 2590, 2660, 2812, 2945, 3038, 3430, 3515, 3626, 3724, 4123, 4340, 4588, 4655, 4921, 5180, 5735, 5890, 6076, 6517, 6860, 7030, 7252, 7595, 8029, 8246, 9065, 9310, 9842, 10633, 11470, 11780, 12691, 13034, 14060, 15190, 16058, 16492, 18130, 18620, 19684, 20615, 21266, 21793, 22940, 24605, 25382, 26068, 28861, 30380, 32116, 32585, 34447, 36260, 40145, 41230, 42532, 43586, 49210, 50764, 53165, 56203, 57722, 63455, 65170, 68894, 80290, 82460, 87172, 98420, 106330, 108965, 112406, 115444, 126910, 130340, 137788, 144305, 152551, 160580, 172235, 202027, 212660, 217930, 224812, 241129, 253820, 281015, 288610, 305102, 344470, 393421, 404054, 435860, 482258, 562030, 577220, 610204, 688940, 762755, 786842, 808108, 964516, 1010135, 1067857, 1124060, 1205645, 1525510, 1573684, 1967105, 2020270, 2135714, 2411290, 3051020, 3934210, 4040540, 4271428, 4822580, 5339285, 7474999, 7868420, 10678570, 14949998, 21357140, 29899996, 37374995, 74749990, 149499980]

約数ペア:

[(1, 149499980), (2, 74749990), (4, 37374995), (5, 29899996), (7, 21357140), (10, 14949998), (14, 10678570), (19, 7868420), (20, 7474999), (28, 5339285), (31, 4822580), (35, 4271428), (37, 4040540), (38, 3934210), (49, 3051020), (62, 2411290), (70, 2135714), (74, 2020270), (76, 1967105), (95, 1573684), (98, 1525510), (124, 1205645), (133, 1124060), (140, 1067857), (148, 1010135), (155, 964516), (185, 808108), (190, 786842), (196, 762755), (217, 688940), (245, 610204), (259, 577220), (266, 562030), (310, 482258), (343, 435860), (370, 404054), (380, 393421), (434, 344470), (490, 305102), (518, 288610), (532, 281015), (589, 253820), (620, 241129), (665, 224812), (686, 217930), (703, 212660), (740, 202027), (868, 172235), (931, 160580), (980, 152551), (1036, 144305), (1085, 137788), (1147, 130340), (1178, 126910), (1295, 115444), (1330, 112406), (1372, 108965), (1406, 106330), (1519, 98420), (1715, 87172), (1813, 82460), (1862, 80290), (2170, 68894), (2294, 65170), (2356, 63455), (2590, 57722), (2660, 56203), (2812, 53165), (2945, 50764), (3038, 49210), (3430, 43586), (3515, 42532), (3626, 41230), (3724, 40145), (4123, 36260), (4340, 34447), (4588, 32585), (4655, 32116), (4921, 30380), (5180, 28861), (5735, 26068), (5890, 25382), (6076, 24605), (6517, 22940), (6860, 21793), (7030, 21266), (7252, 20615), (7595, 19684), (8029, 18620), (8246, 18130), (9065, 16492), (9310, 16058), (9842, 15190), (10633, 14060), (11470, 13034), (11780, 12691)]