221874690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1\times {\mathrm{461}}^1$

素因数の和:795

約数の個数: 64

約数和(自身を含む): 544465152

約数和(自身を除く): 322590462

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 263, 305, 366, 461, 526, 610, 789, 915, 922, 1315, 1383, 1578, 1830, 2305, 2630, 2766, 3945, 4610, 6915, 7890, 13830, 16043, 28121, 32086, 48129, 56242, 80215, 84363, 96258, 121243, 140605, 160430, 168726, 240645, 242486, 281210, 363729, 421815, 481290, 606215, 727458, 843630, 1212430, 1818645, 3637290, 7395823, 14791646, 22187469, 36979115, 44374938, 73958230, 110937345, 221874690]

約数ペア:

[(1, 221874690), (2, 110937345), (3, 73958230), (5, 44374938), (6, 36979115), (10, 22187469), (15, 14791646), (30, 7395823), (61, 3637290), (122, 1818645), (183, 1212430), (263, 843630), (305, 727458), (366, 606215), (461, 481290), (526, 421815), (610, 363729), (789, 281210), (915, 242486), (922, 240645), (1315, 168726), (1383, 160430), (1578, 140605), (1830, 121243), (2305, 96258), (2630, 84363), (2766, 80215), (3945, 56242), (4610, 48129), (6915, 32086), (7890, 28121), (13830, 16043)]