29873960

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 69621120

約数和(自身を除く): 39747160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 71, 134, 142, 157, 268, 284, 314, 335, 355, 536, 568, 628, 670, 710, 785, 1256, 1340, 1420, 1570, 2680, 2840, 3140, 4757, 6280, 9514, 10519, 11147, 19028, 21038, 22294, 23785, 38056, 42076, 44588, 47570, 52595, 55735, 84152, 89176, 95140, 105190, 111470, 190280, 210380, 222940, 420760, 445880, 746849, 1493698, 2987396, 3734245, 5974792, 7468490, 14936980, 29873960]

約数ペア:

[(1, 29873960), (2, 14936980), (4, 7468490), (5, 5974792), (8, 3734245), (10, 2987396), (20, 1493698), (40, 746849), (67, 445880), (71, 420760), (134, 222940), (142, 210380), (157, 190280), (268, 111470), (284, 105190), (314, 95140), (335, 89176), (355, 84152), (536, 55735), (568, 52595), (628, 47570), (670, 44588), (710, 42076), (785, 38056), (1256, 23785), (1340, 22294), (1420, 21038), (1570, 19028), (2680, 11147), (2840, 10519), (3140, 9514), (4757, 6280)]