201888040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{853}}^1$

素因数の和:1022

約数の個数: 64

約数和(自身を含む): 467001360

約数和(自身を除く): 265113320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 97, 122, 194, 244, 305, 388, 485, 488, 610, 776, 853, 970, 1220, 1706, 1940, 2440, 3412, 3880, 4265, 5917, 6824, 8530, 11834, 17060, 23668, 29585, 34120, 47336, 52033, 59170, 82741, 104066, 118340, 165482, 208132, 236680, 260165, 330964, 413705, 416264, 520330, 661928, 827410, 1040660, 1654820, 2081320, 3309640, 5047201, 10094402, 20188804, 25236005, 40377608, 50472010, 100944020, 201888040]

約数ペア:

[(1, 201888040), (2, 100944020), (4, 50472010), (5, 40377608), (8, 25236005), (10, 20188804), (20, 10094402), (40, 5047201), (61, 3309640), (97, 2081320), (122, 1654820), (194, 1040660), (244, 827410), (305, 661928), (388, 520330), (485, 416264), (488, 413705), (610, 330964), (776, 260165), (853, 236680), (970, 208132), (1220, 165482), (1706, 118340), (1940, 104066), (2440, 82741), (3412, 59170), (3880, 52033), (4265, 47336), (5917, 34120), (6824, 29585), (8530, 23668), (11834, 17060)]