28918950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:246

約数の個数: 96

約数和(自身を含む): 77078400

約数和(自身を除く): 48159450

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 57, 73, 75, 95, 114, 139, 146, 150, 190, 219, 278, 285, 365, 417, 438, 475, 570, 695, 730, 834, 950, 1095, 1387, 1390, 1425, 1825, 2085, 2190, 2641, 2774, 2850, 3475, 3650, 4161, 4170, 5282, 5475, 6935, 6950, 7923, 8322, 10147, 10425, 10950, 13205, 13870, 15846, 20294, 20805, 20850, 26410, 30441, 34675, 39615, 41610, 50735, 60882, 66025, 69350, 79230, 101470, 104025, 132050, 152205, 192793, 198075, 208050, 253675, 304410, 385586, 396150, 507350, 578379, 761025, 963965, 1156758, 1522050, 1927930, 2891895, 4819825, 5783790, 9639650, 14459475, 28918950]

約数ペア:

[(1, 28918950), (2, 14459475), (3, 9639650), (5, 5783790), (6, 4819825), (10, 2891895), (15, 1927930), (19, 1522050), (25, 1156758), (30, 963965), (38, 761025), (50, 578379), (57, 507350), (73, 396150), (75, 385586), (95, 304410), (114, 253675), (139, 208050), (146, 198075), (150, 192793), (190, 152205), (219, 132050), (278, 104025), (285, 101470), (365, 79230), (417, 69350), (438, 66025), (475, 60882), (570, 50735), (695, 41610), (730, 39615), (834, 34675), (950, 30441), (1095, 26410), (1387, 20850), (1390, 20805), (1425, 20294), (1825, 15846), (2085, 13870), (2190, 13205), (2641, 10950), (2774, 10425), (2850, 10147), (3475, 8322), (3650, 7923), (4161, 6950), (4170, 6935), (5282, 5475)]