490804580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{613}}^1$

素因数の和:698

約数の個数: 144

約数和(自身を含む): 1293526080

約数和(自身を除く): 802721500

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 43, 49, 70, 76, 86, 95, 98, 133, 140, 172, 190, 196, 215, 245, 266, 301, 380, 430, 490, 532, 602, 613, 665, 817, 860, 931, 980, 1204, 1226, 1330, 1505, 1634, 1862, 2107, 2452, 2660, 3010, 3065, 3268, 3724, 4085, 4214, 4291, 4655, 5719, 6020, 6130, 8170, 8428, 8582, 9310, 10535, 11438, 11647, 12260, 16340, 17164, 18620, 21070, 21455, 22876, 23294, 26359, 28595, 30037, 40033, 42140, 42910, 46588, 52718, 57190, 58235, 60074, 80066, 81529, 85820, 105436, 114380, 116470, 120148, 131795, 150185, 160132, 163058, 184513, 200165, 232940, 263590, 300370, 326116, 369026, 400330, 407645, 500821, 527180, 570703, 600740, 738052, 800660, 815290, 922565, 1001642, 1141406, 1291591, 1630580, 1845130, 2003284, 2282812, 2504105, 2583182, 2853515, 3505747, 3690260, 5008210, 5166364, 5707030, 6457955, 7011494, 10016420, 11414060, 12915910, 14022988, 17528735, 24540229, 25831820, 35057470, 49080458, 70114940, 98160916, 122701145, 245402290, 490804580]

約数ペア:

[(1, 490804580), (2, 245402290), (4, 122701145), (5, 98160916), (7, 70114940), (10, 49080458), (14, 35057470), (19, 25831820), (20, 24540229), (28, 17528735), (35, 14022988), (38, 12915910), (43, 11414060), (49, 10016420), (70, 7011494), (76, 6457955), (86, 5707030), (95, 5166364), (98, 5008210), (133, 3690260), (140, 3505747), (172, 2853515), (190, 2583182), (196, 2504105), (215, 2282812), (245, 2003284), (266, 1845130), (301, 1630580), (380, 1291591), (430, 1141406), (490, 1001642), (532, 922565), (602, 815290), (613, 800660), (665, 738052), (817, 600740), (860, 570703), (931, 527180), (980, 500821), (1204, 407645), (1226, 400330), (1330, 369026), (1505, 326116), (1634, 300370), (1862, 263590), (2107, 232940), (2452, 200165), (2660, 184513), (3010, 163058), (3065, 160132), (3268, 150185), (3724, 131795), (4085, 120148), (4214, 116470), (4291, 114380), (4655, 105436), (5719, 85820), (6020, 81529), (6130, 80066), (8170, 60074), (8428, 58235), (8582, 57190), (9310, 52718), (10535, 46588), (11438, 42910), (11647, 42140), (12260, 40033), (16340, 30037), (17164, 28595), (18620, 26359), (21070, 23294), (21455, 22876)]