402311490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2131}}^1$

素因数の和:2208

約数の個数: 128

約数和(自身を含む): 1178910720

約数和(自身を除く): 776599230

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 31, 35, 42, 58, 62, 70, 87, 93, 105, 145, 155, 174, 186, 203, 210, 217, 290, 310, 406, 434, 435, 465, 609, 651, 870, 899, 930, 1015, 1085, 1218, 1302, 1798, 2030, 2131, 2170, 2697, 3045, 3255, 4262, 4495, 5394, 6090, 6293, 6393, 6510, 8990, 10655, 12586, 12786, 13485, 14917, 18879, 21310, 26970, 29834, 31465, 31965, 37758, 44751, 61799, 62930, 63930, 66061, 74585, 89502, 94395, 123598, 132122, 149170, 185397, 188790, 198183, 223755, 308995, 330305, 370794, 396366, 432593, 447510, 462427, 617990, 660610, 865186, 924854, 926985, 990915, 1297779, 1387281, 1853970, 1915769, 1981830, 2162965, 2312135, 2595558, 2774562, 3831538, 4325930, 4624270, 5747307, 6488895, 6936405, 9578845, 11494614, 12977790, 13410383, 13872810, 19157690, 26820766, 28736535, 40231149, 57473070, 67051915, 80462298, 134103830, 201155745, 402311490]

約数ペア:

[(1, 402311490), (2, 201155745), (3, 134103830), (5, 80462298), (6, 67051915), (7, 57473070), (10, 40231149), (14, 28736535), (15, 26820766), (21, 19157690), (29, 13872810), (30, 13410383), (31, 12977790), (35, 11494614), (42, 9578845), (58, 6936405), (62, 6488895), (70, 5747307), (87, 4624270), (93, 4325930), (105, 3831538), (145, 2774562), (155, 2595558), (174, 2312135), (186, 2162965), (203, 1981830), (210, 1915769), (217, 1853970), (290, 1387281), (310, 1297779), (406, 990915), (434, 926985), (435, 924854), (465, 865186), (609, 660610), (651, 617990), (870, 462427), (899, 447510), (930, 432593), (1015, 396366), (1085, 370794), (1218, 330305), (1302, 308995), (1798, 223755), (2030, 198183), (2131, 188790), (2170, 185397), (2697, 149170), (3045, 132122), (3255, 123598), (4262, 94395), (4495, 89502), (5394, 74585), (6090, 66061), (6293, 63930), (6393, 62930), (6510, 61799), (8990, 44751), (10655, 37758), (12586, 31965), (12786, 31465), (13485, 29834), (14917, 26970), (18879, 21310)]