398640840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{5437}}^1$

素因数の和:5511

約数の個数: 128

約数和(自身を含む): 1315560960

約数和(自身を除く): 916920120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 47, 52, 60, 65, 78, 94, 104, 120, 130, 141, 156, 188, 195, 235, 260, 282, 312, 376, 390, 470, 520, 564, 611, 705, 780, 940, 1128, 1222, 1410, 1560, 1833, 1880, 2444, 2820, 3055, 3666, 4888, 5437, 5640, 6110, 7332, 9165, 10874, 12220, 14664, 16311, 18330, 21748, 24440, 27185, 32622, 36660, 43496, 54370, 65244, 70681, 73320, 81555, 108740, 130488, 141362, 163110, 212043, 217480, 255539, 282724, 326220, 353405, 424086, 511078, 565448, 652440, 706810, 766617, 848172, 1022156, 1060215, 1277695, 1413620, 1533234, 1696344, 2044312, 2120430, 2555390, 2827240, 3066468, 3322007, 3833085, 4240860, 5110780, 6132936, 6644014, 7666170, 8481720, 9966021, 10221560, 13288028, 15332340, 16610035, 19932042, 26576056, 30664680, 33220070, 39864084, 49830105, 66440140, 79728168, 99660210, 132880280, 199320420, 398640840]

約数ペア:

[(1, 398640840), (2, 199320420), (3, 132880280), (4, 99660210), (5, 79728168), (6, 66440140), (8, 49830105), (10, 39864084), (12, 33220070), (13, 30664680), (15, 26576056), (20, 19932042), (24, 16610035), (26, 15332340), (30, 13288028), (39, 10221560), (40, 9966021), (47, 8481720), (52, 7666170), (60, 6644014), (65, 6132936), (78, 5110780), (94, 4240860), (104, 3833085), (120, 3322007), (130, 3066468), (141, 2827240), (156, 2555390), (188, 2120430), (195, 2044312), (235, 1696344), (260, 1533234), (282, 1413620), (312, 1277695), (376, 1060215), (390, 1022156), (470, 848172), (520, 766617), (564, 706810), (611, 652440), (705, 565448), (780, 511078), (940, 424086), (1128, 353405), (1222, 326220), (1410, 282724), (1560, 255539), (1833, 217480), (1880, 212043), (2444, 163110), (2820, 141362), (3055, 130488), (3666, 108740), (4888, 81555), (5437, 73320), (5640, 70681), (6110, 65244), (7332, 54370), (9165, 43496), (10874, 36660), (12220, 32622), (14664, 27185), (16311, 24440), (18330, 21748)]