29918900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{461}}^1$

素因数の和:545

約数の個数: 72

約数和(自身を含む): 72182880

約数和(自身を除く): 42263980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 59, 100, 110, 118, 220, 236, 275, 295, 461, 550, 590, 649, 922, 1100, 1180, 1298, 1475, 1844, 2305, 2596, 2950, 3245, 4610, 5071, 5900, 6490, 9220, 10142, 11525, 12980, 16225, 20284, 23050, 25355, 27199, 32450, 46100, 50710, 54398, 64900, 101420, 108796, 126775, 135995, 253550, 271990, 299189, 507100, 543980, 598378, 679975, 1196756, 1359950, 1495945, 2719900, 2991890, 5983780, 7479725, 14959450, 29918900]

約数ペア:

[(1, 29918900), (2, 14959450), (4, 7479725), (5, 5983780), (10, 2991890), (11, 2719900), (20, 1495945), (22, 1359950), (25, 1196756), (44, 679975), (50, 598378), (55, 543980), (59, 507100), (100, 299189), (110, 271990), (118, 253550), (220, 135995), (236, 126775), (275, 108796), (295, 101420), (461, 64900), (550, 54398), (590, 50710), (649, 46100), (922, 32450), (1100, 27199), (1180, 25355), (1298, 23050), (1475, 20284), (1844, 16225), (2305, 12980), (2596, 11525), (2950, 10142), (3245, 9220), (4610, 6490), (5071, 5900)]