228366920

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{541}}^1$

素因数の和:786

約数の個数: 64

約数和(自身を含む): 526238640

約数和(自身を除く): 297871720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 173, 244, 305, 346, 488, 541, 610, 692, 865, 1082, 1220, 1384, 1730, 2164, 2440, 2705, 3460, 4328, 5410, 6920, 10553, 10820, 21106, 21640, 33001, 42212, 52765, 66002, 84424, 93593, 105530, 132004, 165005, 187186, 211060, 264008, 330010, 374372, 422120, 467965, 660020, 748744, 935930, 1320040, 1871860, 3743720, 5709173, 11418346, 22836692, 28545865, 45673384, 57091730, 114183460, 228366920]

約数ペア:

[(1, 228366920), (2, 114183460), (4, 57091730), (5, 45673384), (8, 28545865), (10, 22836692), (20, 11418346), (40, 5709173), (61, 3743720), (122, 1871860), (173, 1320040), (244, 935930), (305, 748744), (346, 660020), (488, 467965), (541, 422120), (610, 374372), (692, 330010), (865, 264008), (1082, 211060), (1220, 187186), (1384, 165005), (1730, 132004), (2164, 105530), (2440, 93593), (2705, 84424), (3460, 66002), (4328, 52765), (5410, 42212), (6920, 33001), (10553, 21640), (10820, 21106)]