821389770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{673}}^1$

素因数の和:948

約数の個数: 96

約数和(自身を含む): 2180265984

約数和(自身を除く): 1358876214

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 191, 213, 355, 382, 426, 573, 639, 673, 710, 955, 1065, 1146, 1278, 1346, 1719, 1910, 2019, 2130, 2865, 3195, 3365, 3438, 4038, 5730, 6057, 6390, 6730, 8595, 10095, 12114, 13561, 17190, 20190, 27122, 30285, 40683, 47783, 60570, 67805, 81366, 95566, 122049, 128543, 135610, 143349, 203415, 238915, 244098, 257086, 286698, 385629, 406830, 430047, 477830, 610245, 642715, 716745, 771258, 860094, 1156887, 1220490, 1285430, 1433490, 1928145, 2150235, 2313774, 3856290, 4300470, 5784435, 9126553, 11568870, 18253106, 27379659, 45632765, 54759318, 82138977, 91265530, 136898295, 164277954, 273796590, 410694885, 821389770]

約数ペア:

[(1, 821389770), (2, 410694885), (3, 273796590), (5, 164277954), (6, 136898295), (9, 91265530), (10, 82138977), (15, 54759318), (18, 45632765), (30, 27379659), (45, 18253106), (71, 11568870), (90, 9126553), (142, 5784435), (191, 4300470), (213, 3856290), (355, 2313774), (382, 2150235), (426, 1928145), (573, 1433490), (639, 1285430), (673, 1220490), (710, 1156887), (955, 860094), (1065, 771258), (1146, 716745), (1278, 642715), (1346, 610245), (1719, 477830), (1910, 430047), (2019, 406830), (2130, 385629), (2865, 286698), (3195, 257086), (3365, 244098), (3438, 238915), (4038, 203415), (5730, 143349), (6057, 135610), (6390, 128543), (6730, 122049), (8595, 95566), (10095, 81366), (12114, 67805), (13561, 60570), (17190, 47783), (20190, 40683), (27122, 30285)]