203490

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:56

約数の個数: 96

約数和(自身を含む): 673920

約数和(自身を除く): 470430

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 19, 21, 30, 34, 35, 38, 42, 45, 51, 57, 63, 70, 85, 90, 95, 102, 105, 114, 119, 126, 133, 153, 170, 171, 190, 210, 238, 255, 266, 285, 306, 315, 323, 342, 357, 399, 510, 570, 595, 630, 646, 665, 714, 765, 798, 855, 969, 1071, 1190, 1197, 1330, 1530, 1615, 1710, 1785, 1938, 1995, 2142, 2261, 2394, 2907, 3230, 3570, 3990, 4522, 4845, 5355, 5814, 5985, 6783, 9690, 10710, 11305, 11970, 13566, 14535, 20349, 22610, 29070, 33915, 40698, 67830, 101745, 203490]

約数ペア:

[(1, 203490), (2, 101745), (3, 67830), (5, 40698), (6, 33915), (7, 29070), (9, 22610), (10, 20349), (14, 14535), (15, 13566), (17, 11970), (18, 11305), (19, 10710), (21, 9690), (30, 6783), (34, 5985), (35, 5814), (38, 5355), (42, 4845), (45, 4522), (51, 3990), (57, 3570), (63, 3230), (70, 2907), (85, 2394), (90, 2261), (95, 2142), (102, 1995), (105, 1938), (114, 1785), (119, 1710), (126, 1615), (133, 1530), (153, 1330), (170, 1197), (171, 1190), (190, 1071), (210, 969), (238, 855), (255, 798), (266, 765), (285, 714), (306, 665), (315, 646), (323, 630), (342, 595), (357, 570), (399, 510)]