78835900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:224

約数の個数: 144

約数和(自身を含む): 207799200

約数和(自身を除く): 128963300

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 37, 44, 50, 52, 55, 65, 74, 100, 110, 130, 143, 148, 149, 185, 220, 260, 275, 286, 298, 325, 370, 407, 481, 550, 572, 596, 650, 715, 740, 745, 814, 925, 962, 1100, 1300, 1430, 1490, 1628, 1639, 1850, 1924, 1937, 2035, 2405, 2860, 2980, 3278, 3575, 3700, 3725, 3874, 4070, 4810, 5291, 5513, 6556, 7150, 7450, 7748, 8140, 8195, 9620, 9685, 10175, 10582, 11026, 12025, 14300, 14900, 16390, 19370, 20350, 21164, 21307, 22052, 24050, 26455, 27565, 32780, 38740, 40700, 40975, 42614, 48100, 48425, 52910, 55130, 60643, 71669, 81950, 85228, 96850, 105820, 106535, 110260, 121286, 132275, 137825, 143338, 163900, 193700, 213070, 242572, 264550, 275650, 286676, 303215, 358345, 426140, 529100, 532675, 551300, 606430, 716690, 788359, 1065350, 1212860, 1433380, 1516075, 1576718, 1791725, 2130700, 3032150, 3153436, 3583450, 3941795, 6064300, 7166900, 7883590, 15767180, 19708975, 39417950, 78835900]

約数ペア:

[(1, 78835900), (2, 39417950), (4, 19708975), (5, 15767180), (10, 7883590), (11, 7166900), (13, 6064300), (20, 3941795), (22, 3583450), (25, 3153436), (26, 3032150), (37, 2130700), (44, 1791725), (50, 1576718), (52, 1516075), (55, 1433380), (65, 1212860), (74, 1065350), (100, 788359), (110, 716690), (130, 606430), (143, 551300), (148, 532675), (149, 529100), (185, 426140), (220, 358345), (260, 303215), (275, 286676), (286, 275650), (298, 264550), (325, 242572), (370, 213070), (407, 193700), (481, 163900), (550, 143338), (572, 137825), (596, 132275), (650, 121286), (715, 110260), (740, 106535), (745, 105820), (814, 96850), (925, 85228), (962, 81950), (1100, 71669), (1300, 60643), (1430, 55130), (1490, 52910), (1628, 48425), (1639, 48100), (1850, 42614), (1924, 40975), (1937, 40700), (2035, 38740), (2405, 32780), (2860, 27565), (2980, 26455), (3278, 24050), (3575, 22052), (3700, 21307), (3725, 21164), (3874, 20350), (4070, 19370), (4810, 16390), (5291, 14900), (5513, 14300), (6556, 12025), (7150, 11026), (7450, 10582), (7748, 10175), (8140, 9685), (8195, 9620)]