278857150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{907}}^1$

素因数の和:986

約数の個数: 96

約数和(自身を含む): 624210048

約数和(自身を除く): 345352898

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 43, 50, 55, 65, 86, 110, 130, 143, 215, 275, 286, 325, 430, 473, 550, 559, 650, 715, 907, 946, 1075, 1118, 1430, 1814, 2150, 2365, 2795, 3575, 4535, 4730, 5590, 6149, 7150, 9070, 9977, 11791, 11825, 12298, 13975, 19954, 22675, 23582, 23650, 27950, 30745, 39001, 45350, 49885, 58955, 61490, 78002, 99770, 117910, 129701, 153725, 195005, 249425, 259402, 294775, 307450, 390010, 429011, 498850, 507013, 589550, 648505, 858022, 975025, 1014026, 1297010, 1950050, 2145055, 2535065, 3242525, 4290110, 5070130, 5577143, 6485050, 10725275, 11154286, 12675325, 21450550, 25350650, 27885715, 55771430, 139428575, 278857150]

約数ペア:

[(1, 278857150), (2, 139428575), (5, 55771430), (10, 27885715), (11, 25350650), (13, 21450550), (22, 12675325), (25, 11154286), (26, 10725275), (43, 6485050), (50, 5577143), (55, 5070130), (65, 4290110), (86, 3242525), (110, 2535065), (130, 2145055), (143, 1950050), (215, 1297010), (275, 1014026), (286, 975025), (325, 858022), (430, 648505), (473, 589550), (550, 507013), (559, 498850), (650, 429011), (715, 390010), (907, 307450), (946, 294775), (1075, 259402), (1118, 249425), (1430, 195005), (1814, 153725), (2150, 129701), (2365, 117910), (2795, 99770), (3575, 78002), (4535, 61490), (4730, 58955), (5590, 49885), (6149, 45350), (7150, 39001), (9070, 30745), (9977, 27950), (11791, 23650), (11825, 23582), (12298, 22675), (13975, 19954)]