2215442900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{64969}}^1$

素因数の和:65025

約数の個数: 72

約数和(自身を含む): 5413820160

約数和(自身を除く): 3198377260

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, 64969, 129938, 259876, 324845, 649690, 714659, 1299380, 1429318, 1624225, 2014039, 2858636, 3248450, 3573295, 4028078, 6496900, 7146590, 8056156, 10070195, 14293180, 17866475, 20140390, 22154429, 35732950, 40280780, 44308858, 50350975, 71465900, 88617716, 100701950, 110772145, 201403900, 221544290, 443088580, 553860725, 1107721450, 2215442900]

約数ペア:

[(1, 2215442900), (2, 1107721450), (4, 553860725), (5, 443088580), (10, 221544290), (11, 201403900), (20, 110772145), (22, 100701950), (25, 88617716), (31, 71465900), (44, 50350975), (50, 44308858), (55, 40280780), (62, 35732950), (100, 22154429), (110, 20140390), (124, 17866475), (155, 14293180), (220, 10070195), (275, 8056156), (310, 7146590), (341, 6496900), (550, 4028078), (620, 3573295), (682, 3248450), (775, 2858636), (1100, 2014039), (1364, 1624225), (1550, 1429318), (1705, 1299380), (3100, 714659), (3410, 649690), (6820, 324845), (8525, 259876), (17050, 129938), (34100, 64969)]