28891170

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{379}}^1$

素因数の和:421

約数の個数: 144

約数和(自身を含む): 94610880

約数和(自身を除く): 65719710

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 30, 33, 35, 42, 45, 55, 63, 66, 70, 77, 90, 99, 105, 110, 121, 126, 154, 165, 198, 210, 231, 242, 315, 330, 363, 379, 385, 462, 495, 605, 630, 693, 726, 758, 770, 847, 990, 1089, 1137, 1155, 1210, 1386, 1694, 1815, 1895, 2178, 2274, 2310, 2541, 2653, 3411, 3465, 3630, 3790, 4169, 4235, 5082, 5306, 5445, 5685, 6822, 6930, 7623, 7959, 8338, 8470, 10890, 11370, 12507, 12705, 13265, 15246, 15918, 17055, 20845, 23877, 25014, 25410, 26530, 29183, 34110, 37521, 38115, 39795, 41690, 45859, 47754, 58366, 62535, 75042, 76230, 79590, 87549, 91718, 119385, 125070, 137577, 145915, 175098, 187605, 229295, 238770, 262647, 275154, 291830, 321013, 375210, 412731, 437745, 458590, 525294, 642026, 687885, 825462, 875490, 963039, 1313235, 1375770, 1605065, 1926078, 2063655, 2626470, 2889117, 3210130, 4127310, 4815195, 5778234, 9630390, 14445585, 28891170]

約数ペア:

[(1, 28891170), (2, 14445585), (3, 9630390), (5, 5778234), (6, 4815195), (7, 4127310), (9, 3210130), (10, 2889117), (11, 2626470), (14, 2063655), (15, 1926078), (18, 1605065), (21, 1375770), (22, 1313235), (30, 963039), (33, 875490), (35, 825462), (42, 687885), (45, 642026), (55, 525294), (63, 458590), (66, 437745), (70, 412731), (77, 375210), (90, 321013), (99, 291830), (105, 275154), (110, 262647), (121, 238770), (126, 229295), (154, 187605), (165, 175098), (198, 145915), (210, 137577), (231, 125070), (242, 119385), (315, 91718), (330, 87549), (363, 79590), (379, 76230), (385, 75042), (462, 62535), (495, 58366), (605, 47754), (630, 45859), (693, 41690), (726, 39795), (758, 38115), (770, 37521), (847, 34110), (990, 29183), (1089, 26530), (1137, 25410), (1155, 25014), (1210, 23877), (1386, 20845), (1694, 17055), (1815, 15918), (1895, 15246), (2178, 13265), (2274, 12705), (2310, 12507), (2541, 11370), (2653, 10890), (3411, 8470), (3465, 8338), (3630, 7959), (3790, 7623), (4169, 6930), (4235, 6822), (5082, 5685), (5306, 5445)]