689098760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{59}}^2\times {\mathrm{101}}^1$

素因数の和:244

約数の個数: 144

約数和(自身を含む): 1852863660

約数和(自身を除く): 1163764900

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 59, 70, 98, 101, 118, 140, 196, 202, 236, 245, 280, 295, 392, 404, 413, 472, 490, 505, 590, 707, 808, 826, 980, 1010, 1180, 1414, 1652, 1960, 2020, 2065, 2360, 2828, 2891, 3304, 3481, 3535, 4040, 4130, 4949, 5656, 5782, 5959, 6962, 7070, 8260, 9898, 11564, 11918, 13924, 14140, 14455, 16520, 17405, 19796, 23128, 23836, 24367, 24745, 27848, 28280, 28910, 29795, 34810, 39592, 41713, 47672, 48734, 49490, 57820, 59590, 69620, 83426, 97468, 98980, 115640, 119180, 121835, 139240, 166852, 170569, 194936, 197960, 208565, 238360, 243670, 291991, 333704, 341138, 351581, 417130, 487340, 583982, 682276, 703162, 834260, 852845, 974680, 1167964, 1364552, 1406324, 1459955, 1668520, 1705690, 1757905, 2335928, 2461067, 2812648, 2919910, 3411380, 3515810, 4922134, 5839820, 6822760, 7031620, 9844268, 11679640, 12305335, 14063240, 17227469, 19688536, 24610670, 34454938, 49221340, 68909876, 86137345, 98442680, 137819752, 172274690, 344549380, 689098760]

約数ペア:

[(1, 689098760), (2, 344549380), (4, 172274690), (5, 137819752), (7, 98442680), (8, 86137345), (10, 68909876), (14, 49221340), (20, 34454938), (28, 24610670), (35, 19688536), (40, 17227469), (49, 14063240), (56, 12305335), (59, 11679640), (70, 9844268), (98, 7031620), (101, 6822760), (118, 5839820), (140, 4922134), (196, 3515810), (202, 3411380), (236, 2919910), (245, 2812648), (280, 2461067), (295, 2335928), (392, 1757905), (404, 1705690), (413, 1668520), (472, 1459955), (490, 1406324), (505, 1364552), (590, 1167964), (707, 974680), (808, 852845), (826, 834260), (980, 703162), (1010, 682276), (1180, 583982), (1414, 487340), (1652, 417130), (1960, 351581), (2020, 341138), (2065, 333704), (2360, 291991), (2828, 243670), (2891, 238360), (3304, 208565), (3481, 197960), (3535, 194936), (4040, 170569), (4130, 166852), (4949, 139240), (5656, 121835), (5782, 119180), (5959, 115640), (6962, 98980), (7070, 97468), (8260, 83426), (9898, 69620), (11564, 59590), (11918, 57820), (13924, 49490), (14140, 48734), (14455, 47672), (16520, 41713), (17405, 39592), (19796, 34810), (23128, 29795), (23836, 28910), (24367, 28280), (24745, 27848)]