198791880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{13921}}^1$

素因数の和:13959

約数の個数: 128

約数和(自身を含む): 721716480

約数和(自身を除く): 522924600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2380, 2856, 3570, 4760, 7140, 13921, 14280, 27842, 41763, 55684, 69605, 83526, 97447, 111368, 139210, 167052, 194894, 208815, 236657, 278420, 292341, 334104, 389788, 417630, 473314, 487235, 556840, 584682, 709971, 779576, 835260, 946628, 974470, 1169364, 1183285, 1419942, 1461705, 1656599, 1670520, 1893256, 1948940, 2338728, 2366570, 2839884, 2923410, 3313198, 3549855, 3897880, 4733140, 4969797, 5679768, 5846820, 6626396, 7099710, 8282995, 9466280, 9939594, 11693640, 13252792, 14199420, 16565990, 19879188, 24848985, 28398840, 33131980, 39758376, 49697970, 66263960, 99395940, 198791880]

約数ペア:

[(1, 198791880), (2, 99395940), (3, 66263960), (4, 49697970), (5, 39758376), (6, 33131980), (7, 28398840), (8, 24848985), (10, 19879188), (12, 16565990), (14, 14199420), (15, 13252792), (17, 11693640), (20, 9939594), (21, 9466280), (24, 8282995), (28, 7099710), (30, 6626396), (34, 5846820), (35, 5679768), (40, 4969797), (42, 4733140), (51, 3897880), (56, 3549855), (60, 3313198), (68, 2923410), (70, 2839884), (84, 2366570), (85, 2338728), (102, 1948940), (105, 1893256), (119, 1670520), (120, 1656599), (136, 1461705), (140, 1419942), (168, 1183285), (170, 1169364), (204, 974470), (210, 946628), (238, 835260), (255, 779576), (280, 709971), (340, 584682), (357, 556840), (408, 487235), (420, 473314), (476, 417630), (510, 389788), (595, 334104), (680, 292341), (714, 278420), (840, 236657), (952, 208815), (1020, 194894), (1190, 167052), (1428, 139210), (1785, 111368), (2040, 97447), (2380, 83526), (2856, 69605), (3570, 55684), (4760, 41763), (7140, 27842), (13921, 14280)]