28293850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:152

約数の個数: 96

約数和(自身を含む): 62496000

約数和(自身を除く): 34202150

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 29, 38, 50, 58, 65, 79, 95, 130, 145, 158, 190, 247, 290, 325, 377, 395, 475, 494, 551, 650, 725, 754, 790, 950, 1027, 1102, 1235, 1450, 1501, 1885, 1975, 2054, 2291, 2470, 2755, 3002, 3770, 3950, 4582, 5135, 5510, 6175, 7163, 7505, 9425, 10270, 11455, 12350, 13775, 14326, 15010, 18850, 19513, 22910, 25675, 27550, 29783, 35815, 37525, 39026, 43529, 51350, 57275, 59566, 71630, 75050, 87058, 97565, 114550, 148915, 179075, 195130, 217645, 297830, 358150, 435290, 487825, 565877, 744575, 975650, 1088225, 1131754, 1489150, 2176450, 2829385, 5658770, 14146925, 28293850]

約数ペア:

[(1, 28293850), (2, 14146925), (5, 5658770), (10, 2829385), (13, 2176450), (19, 1489150), (25, 1131754), (26, 1088225), (29, 975650), (38, 744575), (50, 565877), (58, 487825), (65, 435290), (79, 358150), (95, 297830), (130, 217645), (145, 195130), (158, 179075), (190, 148915), (247, 114550), (290, 97565), (325, 87058), (377, 75050), (395, 71630), (475, 59566), (494, 57275), (551, 51350), (650, 43529), (725, 39026), (754, 37525), (790, 35815), (950, 29783), (1027, 27550), (1102, 25675), (1235, 22910), (1450, 19513), (1501, 18850), (1885, 15010), (1975, 14326), (2054, 13775), (2291, 12350), (2470, 11455), (2755, 10270), (3002, 9425), (3770, 7505), (3950, 7163), (4582, 6175), (5135, 5510)]