201764895

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:656

約数の個数: 64

約数和(自身を含む): 359976960

約数和(自身を除く): 158212065

約数列:

[1, 3, 5, 15, 19, 31, 41, 57, 93, 95, 123, 155, 205, 285, 465, 557, 589, 615, 779, 1271, 1671, 1767, 2337, 2785, 2945, 3813, 3895, 6355, 8355, 8835, 10583, 11685, 17267, 19065, 22837, 24149, 31749, 51801, 52915, 68511, 72447, 86335, 114185, 120745, 158745, 259005, 328073, 342555, 362235, 433903, 707947, 984219, 1301709, 1640365, 2123841, 2169515, 3539735, 4921095, 6508545, 10619205, 13450993, 40352979, 67254965, 201764895]

約数ペア:

[(1, 201764895), (3, 67254965), (5, 40352979), (15, 13450993), (19, 10619205), (31, 6508545), (41, 4921095), (57, 3539735), (93, 2169515), (95, 2123841), (123, 1640365), (155, 1301709), (205, 984219), (285, 707947), (465, 433903), (557, 362235), (589, 342555), (615, 328073), (779, 259005), (1271, 158745), (1671, 120745), (1767, 114185), (2337, 86335), (2785, 72447), (2945, 68511), (3813, 52915), (3895, 51801), (6355, 31749), (8355, 24149), (8835, 22837), (10583, 19065), (11685, 17267)]