397493320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{739}}^1$

素因数の和:887

約数の個数: 128

約数和(自身を含む): 1093305600

約数和(自身を除く): 695812280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 113, 119, 136, 140, 170, 226, 238, 280, 340, 452, 476, 565, 595, 680, 739, 791, 904, 952, 1130, 1190, 1478, 1582, 1921, 2260, 2380, 2956, 3164, 3695, 3842, 3955, 4520, 4760, 5173, 5912, 6328, 7390, 7684, 7910, 9605, 10346, 12563, 13447, 14780, 15368, 15820, 19210, 20692, 25126, 25865, 26894, 29560, 31640, 38420, 41384, 50252, 51730, 53788, 62815, 67235, 76840, 83507, 87941, 100504, 103460, 107576, 125630, 134470, 167014, 175882, 206920, 251260, 268940, 334028, 351764, 417535, 439705, 502520, 537880, 584549, 668056, 703528, 835070, 879410, 1169098, 1419619, 1670140, 1758820, 2338196, 2839238, 2922745, 3340280, 3517640, 4676392, 5678476, 5845490, 7098095, 9937333, 11356952, 11690980, 14196190, 19874666, 23381960, 28392380, 39749332, 49686665, 56784760, 79498664, 99373330, 198746660, 397493320]

約数ペア:

[(1, 397493320), (2, 198746660), (4, 99373330), (5, 79498664), (7, 56784760), (8, 49686665), (10, 39749332), (14, 28392380), (17, 23381960), (20, 19874666), (28, 14196190), (34, 11690980), (35, 11356952), (40, 9937333), (56, 7098095), (68, 5845490), (70, 5678476), (85, 4676392), (113, 3517640), (119, 3340280), (136, 2922745), (140, 2839238), (170, 2338196), (226, 1758820), (238, 1670140), (280, 1419619), (340, 1169098), (452, 879410), (476, 835070), (565, 703528), (595, 668056), (680, 584549), (739, 537880), (791, 502520), (904, 439705), (952, 417535), (1130, 351764), (1190, 334028), (1478, 268940), (1582, 251260), (1921, 206920), (2260, 175882), (2380, 167014), (2956, 134470), (3164, 125630), (3695, 107576), (3842, 103460), (3955, 100504), (4520, 87941), (4760, 83507), (5173, 76840), (5912, 67235), (6328, 62815), (7390, 53788), (7684, 51730), (7910, 50252), (9605, 41384), (10346, 38420), (12563, 31640), (13447, 29560), (14780, 26894), (15368, 25865), (15820, 25126), (19210, 20692)]