389382280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{457}}^1$

素因数の和:671

約数の個数: 128

約数和(自身を含む): 1068422400

約数和(自身を除く): 679040120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 179, 238, 280, 340, 358, 457, 476, 595, 680, 716, 895, 914, 952, 1190, 1253, 1432, 1790, 1828, 2285, 2380, 2506, 3043, 3199, 3580, 3656, 4570, 4760, 5012, 6086, 6265, 6398, 7160, 7769, 9140, 10024, 12172, 12530, 12796, 15215, 15538, 15995, 18280, 21301, 24344, 25060, 25592, 30430, 31076, 31990, 38845, 42602, 50120, 54383, 60860, 62152, 63980, 77690, 81803, 85204, 106505, 108766, 121720, 127960, 155380, 163606, 170408, 213010, 217532, 271915, 310760, 327212, 409015, 426020, 435064, 543830, 572621, 654424, 818030, 852040, 1087660, 1145242, 1390651, 1636060, 2175320, 2290484, 2781302, 2863105, 3272120, 4580968, 5562604, 5726210, 6953255, 9734557, 11125208, 11452420, 13906510, 19469114, 22904840, 27813020, 38938228, 48672785, 55626040, 77876456, 97345570, 194691140, 389382280]

約数ペア:

[(1, 389382280), (2, 194691140), (4, 97345570), (5, 77876456), (7, 55626040), (8, 48672785), (10, 38938228), (14, 27813020), (17, 22904840), (20, 19469114), (28, 13906510), (34, 11452420), (35, 11125208), (40, 9734557), (56, 6953255), (68, 5726210), (70, 5562604), (85, 4580968), (119, 3272120), (136, 2863105), (140, 2781302), (170, 2290484), (179, 2175320), (238, 1636060), (280, 1390651), (340, 1145242), (358, 1087660), (457, 852040), (476, 818030), (595, 654424), (680, 572621), (716, 543830), (895, 435064), (914, 426020), (952, 409015), (1190, 327212), (1253, 310760), (1432, 271915), (1790, 217532), (1828, 213010), (2285, 170408), (2380, 163606), (2506, 155380), (3043, 127960), (3199, 121720), (3580, 108766), (3656, 106505), (4570, 85204), (4760, 81803), (5012, 77690), (6086, 63980), (6265, 62152), (6398, 60860), (7160, 54383), (7769, 50120), (9140, 42602), (10024, 38845), (12172, 31990), (12530, 31076), (12796, 30430), (15215, 25592), (15538, 25060), (15995, 24344), (18280, 21301)]