678740650

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:329

約数の個数: 144

約数和(自身を含む): 1562946840

約数和(自身を除く): 884206190

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 41, 49, 50, 58, 70, 82, 98, 145, 175, 203, 205, 233, 245, 287, 290, 350, 406, 410, 466, 490, 574, 725, 1015, 1025, 1165, 1189, 1225, 1421, 1435, 1450, 1631, 2009, 2030, 2050, 2330, 2378, 2450, 2842, 2870, 3262, 4018, 5075, 5825, 5945, 6757, 7105, 7175, 8155, 8323, 9553, 10045, 10150, 11417, 11650, 11890, 13514, 14210, 14350, 16310, 16646, 19106, 20090, 22834, 29725, 33785, 35525, 40775, 41615, 47299, 47765, 50225, 57085, 58261, 59450, 66871, 67570, 71050, 81550, 83230, 94598, 95530, 100450, 114170, 116522, 133742, 168925, 208075, 236495, 238825, 277037, 285425, 291305, 331093, 334355, 337850, 416150, 468097, 472990, 477650, 554074, 570850, 582610, 662186, 668710, 936194, 1182475, 1385185, 1456525, 1655465, 1671775, 1939259, 2340485, 2364950, 2770370, 2913050, 3310930, 3343550, 3878518, 4680970, 6925925, 8277325, 9696295, 11702425, 13574813, 13851850, 16554650, 19392590, 23404850, 27149626, 48481475, 67874065, 96962950, 135748130, 339370325, 678740650]

約数ペア:

[(1, 678740650), (2, 339370325), (5, 135748130), (7, 96962950), (10, 67874065), (14, 48481475), (25, 27149626), (29, 23404850), (35, 19392590), (41, 16554650), (49, 13851850), (50, 13574813), (58, 11702425), (70, 9696295), (82, 8277325), (98, 6925925), (145, 4680970), (175, 3878518), (203, 3343550), (205, 3310930), (233, 2913050), (245, 2770370), (287, 2364950), (290, 2340485), (350, 1939259), (406, 1671775), (410, 1655465), (466, 1456525), (490, 1385185), (574, 1182475), (725, 936194), (1015, 668710), (1025, 662186), (1165, 582610), (1189, 570850), (1225, 554074), (1421, 477650), (1435, 472990), (1450, 468097), (1631, 416150), (2009, 337850), (2030, 334355), (2050, 331093), (2330, 291305), (2378, 285425), (2450, 277037), (2842, 238825), (2870, 236495), (3262, 208075), (4018, 168925), (5075, 133742), (5825, 116522), (5945, 114170), (6757, 100450), (7105, 95530), (7175, 94598), (8155, 83230), (8323, 81550), (9553, 71050), (10045, 67570), (10150, 66871), (11417, 59450), (11650, 58261), (11890, 57085), (13514, 50225), (14210, 47765), (14350, 47299), (16310, 41615), (16646, 40775), (19106, 35525), (20090, 33785), (22834, 29725)]