1391927900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{40819}}^1$

素因数の和:40875

約数の個数: 72

約数和(自身を含む): 3401448960

約数和(自身を除く): 2009521060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 100, 110, 124, 155, 220, 275, 310, 341, 550, 620, 682, 775, 1100, 1364, 1550, 1705, 3100, 3410, 6820, 8525, 17050, 34100, 40819, 81638, 163276, 204095, 408190, 449009, 816380, 898018, 1020475, 1265389, 1796036, 2040950, 2245045, 2530778, 4081900, 4490090, 5061556, 6326945, 8980180, 11225225, 12653890, 13919279, 22450450, 25307780, 27838558, 31634725, 44900900, 55677116, 63269450, 69596395, 126538900, 139192790, 278385580, 347981975, 695963950, 1391927900]

約数ペア:

[(1, 1391927900), (2, 695963950), (4, 347981975), (5, 278385580), (10, 139192790), (11, 126538900), (20, 69596395), (22, 63269450), (25, 55677116), (31, 44900900), (44, 31634725), (50, 27838558), (55, 25307780), (62, 22450450), (100, 13919279), (110, 12653890), (124, 11225225), (155, 8980180), (220, 6326945), (275, 5061556), (310, 4490090), (341, 4081900), (550, 2530778), (620, 2245045), (682, 2040950), (775, 1796036), (1100, 1265389), (1364, 1020475), (1550, 898018), (1705, 816380), (3100, 449009), (3410, 408190), (6820, 204095), (8525, 163276), (17050, 81638), (34100, 40819)]