639330050

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1277}}^1$

素因数の和:1356

約数の個数: 96

約数和(自身を含む): 1369198080

約数和(自身を除く): 729868030

約数列:

[1, 2, 5, 10, 17, 19, 25, 31, 34, 38, 50, 62, 85, 95, 155, 170, 190, 310, 323, 425, 475, 527, 589, 646, 775, 850, 950, 1054, 1178, 1277, 1550, 1615, 2554, 2635, 2945, 3230, 5270, 5890, 6385, 8075, 10013, 12770, 13175, 14725, 16150, 20026, 21709, 24263, 26350, 29450, 31925, 39587, 43418, 48526, 50065, 63850, 79174, 100130, 108545, 121315, 197935, 217090, 242630, 250325, 395870, 412471, 500650, 542725, 606575, 672979, 752153, 824942, 989675, 1085450, 1213150, 1345958, 1504306, 1979350, 2062355, 3364895, 3760765, 4124710, 6729790, 7521530, 10311775, 12786601, 16824475, 18803825, 20623550, 25573202, 33648950, 37607650, 63933005, 127866010, 319665025, 639330050]

約数ペア:

[(1, 639330050), (2, 319665025), (5, 127866010), (10, 63933005), (17, 37607650), (19, 33648950), (25, 25573202), (31, 20623550), (34, 18803825), (38, 16824475), (50, 12786601), (62, 10311775), (85, 7521530), (95, 6729790), (155, 4124710), (170, 3760765), (190, 3364895), (310, 2062355), (323, 1979350), (425, 1504306), (475, 1345958), (527, 1213150), (589, 1085450), (646, 989675), (775, 824942), (850, 752153), (950, 672979), (1054, 606575), (1178, 542725), (1277, 500650), (1550, 412471), (1615, 395870), (2554, 250325), (2635, 242630), (2945, 217090), (3230, 197935), (5270, 121315), (5890, 108545), (6385, 100130), (8075, 79174), (10013, 63850), (12770, 50065), (13175, 48526), (14725, 43418), (16150, 39587), (20026, 31925), (21709, 29450), (24263, 26350)]