401996840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1597}}^1$

素因数の和:1675

約数の個数: 128

約数和(自身を含む): 1104537600

約数和(自身を除く): 702540760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 31, 35, 40, 56, 58, 62, 70, 116, 124, 140, 145, 155, 203, 217, 232, 248, 280, 290, 310, 406, 434, 580, 620, 812, 868, 899, 1015, 1085, 1160, 1240, 1597, 1624, 1736, 1798, 2030, 2170, 3194, 3596, 4060, 4340, 4495, 6293, 6388, 7192, 7985, 8120, 8680, 8990, 11179, 12586, 12776, 15970, 17980, 22358, 25172, 31465, 31940, 35960, 44716, 46313, 49507, 50344, 55895, 62930, 63880, 89432, 92626, 99014, 111790, 125860, 185252, 198028, 223580, 231565, 247535, 251720, 324191, 346549, 370504, 396056, 447160, 463130, 495070, 648382, 693098, 926260, 990140, 1296764, 1386196, 1435703, 1620955, 1732745, 1852520, 1980280, 2593528, 2772392, 2871406, 3241910, 3465490, 5742812, 6483820, 6930980, 7178515, 10049921, 11485624, 12967640, 13861960, 14357030, 20099842, 28714060, 40199684, 50249605, 57428120, 80399368, 100499210, 200998420, 401996840]

約数ペア:

[(1, 401996840), (2, 200998420), (4, 100499210), (5, 80399368), (7, 57428120), (8, 50249605), (10, 40199684), (14, 28714060), (20, 20099842), (28, 14357030), (29, 13861960), (31, 12967640), (35, 11485624), (40, 10049921), (56, 7178515), (58, 6930980), (62, 6483820), (70, 5742812), (116, 3465490), (124, 3241910), (140, 2871406), (145, 2772392), (155, 2593528), (203, 1980280), (217, 1852520), (232, 1732745), (248, 1620955), (280, 1435703), (290, 1386196), (310, 1296764), (406, 990140), (434, 926260), (580, 693098), (620, 648382), (812, 495070), (868, 463130), (899, 447160), (1015, 396056), (1085, 370504), (1160, 346549), (1240, 324191), (1597, 251720), (1624, 247535), (1736, 231565), (1798, 223580), (2030, 198028), (2170, 185252), (3194, 125860), (3596, 111790), (4060, 99014), (4340, 92626), (4495, 89432), (6293, 63880), (6388, 62930), (7192, 55895), (7985, 50344), (8120, 49507), (8680, 46313), (8990, 44716), (11179, 35960), (12586, 31940), (12776, 31465), (15970, 25172), (17980, 22358)]