28384860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3557}}^1$

素因数の和:3595

約数の個数: 96

約数和(自身を含む): 95639040

約数和(自身を除く): 67254180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3557, 3990, 7114, 7980, 10671, 14228, 17785, 21342, 24899, 35570, 42684, 49798, 53355, 67583, 71140, 74697, 99596, 106710, 124495, 135166, 149394, 202749, 213420, 248990, 270332, 298788, 337915, 373485, 405498, 473081, 497980, 675830, 746970, 810996, 946162, 1013745, 1351660, 1419243, 1493940, 1892324, 2027490, 2365405, 2838486, 4054980, 4730810, 5676972, 7096215, 9461620, 14192430, 28384860]

約数ペア:

[(1, 28384860), (2, 14192430), (3, 9461620), (4, 7096215), (5, 5676972), (6, 4730810), (7, 4054980), (10, 2838486), (12, 2365405), (14, 2027490), (15, 1892324), (19, 1493940), (20, 1419243), (21, 1351660), (28, 1013745), (30, 946162), (35, 810996), (38, 746970), (42, 675830), (57, 497980), (60, 473081), (70, 405498), (76, 373485), (84, 337915), (95, 298788), (105, 270332), (114, 248990), (133, 213420), (140, 202749), (190, 149394), (210, 135166), (228, 124495), (266, 106710), (285, 99596), (380, 74697), (399, 71140), (420, 67583), (532, 53355), (570, 49798), (665, 42684), (798, 35570), (1140, 24899), (1330, 21342), (1596, 17785), (1995, 14228), (2660, 10671), (3557, 7980), (3990, 7114)]