388549980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7907}}^1$

素因数の和:7945

約数の個数: 192

約数和(自身を含む): 1487969280

約数和(自身を除く): 1099419300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 180, 182, 189, 195, 210, 234, 252, 260, 270, 273, 315, 351, 364, 378, 390, 420, 455, 468, 540, 546, 585, 630, 702, 756, 780, 819, 910, 945, 1092, 1170, 1260, 1365, 1404, 1638, 1755, 1820, 1890, 2340, 2457, 2730, 3276, 3510, 3780, 4095, 4914, 5460, 7020, 7907, 8190, 9828, 12285, 15814, 16380, 23721, 24570, 31628, 39535, 47442, 49140, 55349, 71163, 79070, 94884, 102791, 110698, 118605, 142326, 158140, 166047, 205582, 213489, 221396, 237210, 276745, 284652, 308373, 332094, 355815, 411164, 426978, 474420, 498141, 513955, 553490, 616746, 664188, 711630, 719537, 830235, 853956, 925119, 996282, 1027910, 1067445, 1106980, 1233492, 1423260, 1439074, 1494423, 1541865, 1660470, 1850238, 1992564, 2055820, 2134890, 2158611, 2490705, 2775357, 2878148, 2988846, 3083730, 3320940, 3597685, 3700476, 4269780, 4317222, 4625595, 4981410, 5550714, 5977692, 6167460, 6475833, 7195370, 7472115, 8634444, 9251190, 9962820, 10793055, 11101428, 12951666, 13876785, 14390740, 14944230, 18502380, 19427499, 21586110, 25903332, 27753570, 29888460, 32379165, 38854998, 43172220, 55507140, 64758330, 77709996, 97137495, 129516660, 194274990, 388549980]

約数ペア:

[(1, 388549980), (2, 194274990), (3, 129516660), (4, 97137495), (5, 77709996), (6, 64758330), (7, 55507140), (9, 43172220), (10, 38854998), (12, 32379165), (13, 29888460), (14, 27753570), (15, 25903332), (18, 21586110), (20, 19427499), (21, 18502380), (26, 14944230), (27, 14390740), (28, 13876785), (30, 12951666), (35, 11101428), (36, 10793055), (39, 9962820), (42, 9251190), (45, 8634444), (52, 7472115), (54, 7195370), (60, 6475833), (63, 6167460), (65, 5977692), (70, 5550714), (78, 4981410), (84, 4625595), (90, 4317222), (91, 4269780), (105, 3700476), (108, 3597685), (117, 3320940), (126, 3083730), (130, 2988846), (135, 2878148), (140, 2775357), (156, 2490705), (180, 2158611), (182, 2134890), (189, 2055820), (195, 1992564), (210, 1850238), (234, 1660470), (252, 1541865), (260, 1494423), (270, 1439074), (273, 1423260), (315, 1233492), (351, 1106980), (364, 1067445), (378, 1027910), (390, 996282), (420, 925119), (455, 853956), (468, 830235), (540, 719537), (546, 711630), (585, 664188), (630, 616746), (702, 553490), (756, 513955), (780, 498141), (819, 474420), (910, 426978), (945, 411164), (1092, 355815), (1170, 332094), (1260, 308373), (1365, 284652), (1404, 276745), (1638, 237210), (1755, 221396), (1820, 213489), (1890, 205582), (2340, 166047), (2457, 158140), (2730, 142326), (3276, 118605), (3510, 110698), (3780, 102791), (4095, 94884), (4914, 79070), (5460, 71163), (7020, 55349), (7907, 49140), (8190, 47442), (9828, 39535), (12285, 31628), (15814, 24570), (16380, 23721)]