742156720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{488261}}^1$

素因数の和:488293

約数の個数: 40

約数和(自身を含む): 1816334640

約数和(自身を除く): 1074177920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 488261, 976522, 1953044, 2441305, 3906088, 4882610, 7812176, 9276959, 9765220, 18553918, 19530440, 37107836, 39060880, 46384795, 74215672, 92769590, 148431344, 185539180, 371078360, 742156720]

約数ペア:

[(1, 742156720), (2, 371078360), (4, 185539180), (5, 148431344), (8, 92769590), (10, 74215672), (16, 46384795), (19, 39060880), (20, 37107836), (38, 19530440), (40, 18553918), (76, 9765220), (80, 9276959), (95, 7812176), (152, 4882610), (190, 3906088), (304, 2441305), (380, 1953044), (760, 976522), (1520, 488261)]