227979520

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10477}}^1$

素因数の和:10515

約数の個数: 72

約数和(自身を含む): 578259864

約数和(自身を除く): 350280344

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 4352, 5440, 10477, 10880, 20954, 21760, 41908, 52385, 83816, 104770, 167632, 178109, 209540, 335264, 356218, 419080, 670528, 712436, 838160, 890545, 1341056, 1424872, 1676320, 1781090, 2682112, 2849744, 3352640, 3562180, 5699488, 6705280, 7124360, 11398976, 13410560, 14248720, 22797952, 28497440, 45595904, 56994880, 113989760, 227979520]

約数ペア:

[(1, 227979520), (2, 113989760), (4, 56994880), (5, 45595904), (8, 28497440), (10, 22797952), (16, 14248720), (17, 13410560), (20, 11398976), (32, 7124360), (34, 6705280), (40, 5699488), (64, 3562180), (68, 3352640), (80, 2849744), (85, 2682112), (128, 1781090), (136, 1676320), (160, 1424872), (170, 1341056), (256, 890545), (272, 838160), (320, 712436), (340, 670528), (544, 419080), (640, 356218), (680, 335264), (1088, 209540), (1280, 178109), (1360, 167632), (2176, 104770), (2720, 83816), (4352, 52385), (5440, 41908), (10477, 21760), (10880, 20954)]