1488890440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{12983}}^1$

素因数の和:13102

約数の個数: 64

約数和(自身を含む): 3477634560

約数和(自身を除く): 1988744120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 61, 94, 122, 188, 235, 244, 305, 376, 470, 488, 610, 940, 1220, 1880, 2440, 2867, 5734, 11468, 12983, 14335, 22936, 25966, 28670, 51932, 57340, 64915, 103864, 114680, 129830, 259660, 519320, 610201, 791963, 1220402, 1583926, 2440804, 3051005, 3167852, 3959815, 4881608, 6102010, 6335704, 7919630, 12204020, 15839260, 24408040, 31678520, 37222261, 74444522, 148889044, 186111305, 297778088, 372222610, 744445220, 1488890440]

約数ペア:

[(1, 1488890440), (2, 744445220), (4, 372222610), (5, 297778088), (8, 186111305), (10, 148889044), (20, 74444522), (40, 37222261), (47, 31678520), (61, 24408040), (94, 15839260), (122, 12204020), (188, 7919630), (235, 6335704), (244, 6102010), (305, 4881608), (376, 3959815), (470, 3167852), (488, 3051005), (610, 2440804), (940, 1583926), (1220, 1220402), (1880, 791963), (2440, 610201), (2867, 519320), (5734, 259660), (11468, 129830), (12983, 114680), (14335, 103864), (22936, 64915), (25966, 57340), (28670, 51932)]