491796152

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:205

約数の個数: 128

約数和(自身を含む): 1071360000

約数和(自身を除く): 579563848

約数列:

[1, 2, 4, 8, 19, 29, 31, 38, 58, 59, 61, 62, 76, 116, 118, 122, 124, 152, 232, 236, 244, 248, 472, 488, 551, 589, 899, 1102, 1121, 1159, 1178, 1711, 1769, 1798, 1829, 1891, 2204, 2242, 2318, 2356, 3422, 3538, 3596, 3599, 3658, 3782, 4408, 4484, 4636, 4712, 6844, 7076, 7192, 7198, 7316, 7564, 8968, 9272, 13688, 14152, 14396, 14632, 15128, 17081, 28792, 32509, 33611, 34162, 34751, 35929, 53041, 54839, 65018, 67222, 68324, 68381, 69502, 71858, 104371, 106082, 109678, 111569, 130036, 134444, 136648, 136762, 139004, 143716, 208742, 212164, 219356, 223138, 260072, 268888, 273524, 278008, 287432, 417484, 424328, 438712, 446276, 547048, 834968, 892552, 1007779, 1041941, 1983049, 2015558, 2083882, 2119811, 3235501, 3966098, 4031116, 4167764, 4239622, 6471002, 7932196, 8062232, 8335528, 8479244, 12942004, 15864392, 16958488, 25884008, 61474519, 122949038, 245898076, 491796152]

約数ペア:

[(1, 491796152), (2, 245898076), (4, 122949038), (8, 61474519), (19, 25884008), (29, 16958488), (31, 15864392), (38, 12942004), (58, 8479244), (59, 8335528), (61, 8062232), (62, 7932196), (76, 6471002), (116, 4239622), (118, 4167764), (122, 4031116), (124, 3966098), (152, 3235501), (232, 2119811), (236, 2083882), (244, 2015558), (248, 1983049), (472, 1041941), (488, 1007779), (551, 892552), (589, 834968), (899, 547048), (1102, 446276), (1121, 438712), (1159, 424328), (1178, 417484), (1711, 287432), (1769, 278008), (1798, 273524), (1829, 268888), (1891, 260072), (2204, 223138), (2242, 219356), (2318, 212164), (2356, 208742), (3422, 143716), (3538, 139004), (3596, 136762), (3599, 136648), (3658, 134444), (3782, 130036), (4408, 111569), (4484, 109678), (4636, 106082), (4712, 104371), (6844, 71858), (7076, 69502), (7192, 68381), (7198, 68324), (7316, 67222), (7564, 65018), (8968, 54839), (9272, 53041), (13688, 35929), (14152, 34751), (14396, 34162), (14632, 33611), (15128, 32509), (17081, 28792)]