21431567300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{3251}}^1$

素因数の和:3750

約数の個数: 144

約数和(自身を含む): 54772369344

約数和(自身を除く): 33340802044

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 130, 143, 220, 260, 275, 286, 325, 461, 550, 572, 650, 715, 922, 1100, 1300, 1430, 1844, 2305, 2860, 3251, 3575, 4610, 5071, 5993, 6502, 7150, 9220, 10142, 11525, 11986, 13004, 14300, 16255, 20284, 23050, 23972, 25355, 29965, 32510, 35761, 42263, 46100, 50710, 59930, 65020, 65923, 71522, 81275, 84526, 101420, 119860, 126775, 131846, 143044, 149825, 162550, 169052, 178805, 211315, 253550, 263692, 299650, 325100, 329615, 357610, 422630, 464893, 507100, 599300, 659230, 715220, 845260, 894025, 929786, 1056575, 1318460, 1498711, 1648075, 1788050, 1859572, 2113150, 2324465, 2997422, 3296150, 3576100, 4226300, 4648930, 5994844, 6592300, 7493555, 9297860, 11622325, 14987110, 16485821, 19483243, 23244650, 29974220, 32971642, 37467775, 38966486, 46489300, 65943284, 74935550, 77932972, 82429105, 97416215, 149871100, 164858210, 194832430, 214315673, 329716420, 389664860, 412145525, 428631346, 487081075, 824291050, 857262692, 974162150, 1071578365, 1648582100, 1948324300, 2143156730, 4286313460, 5357891825, 10715783650, 21431567300]

約数ペア:

[(1, 21431567300), (2, 10715783650), (4, 5357891825), (5, 4286313460), (10, 2143156730), (11, 1948324300), (13, 1648582100), (20, 1071578365), (22, 974162150), (25, 857262692), (26, 824291050), (44, 487081075), (50, 428631346), (52, 412145525), (55, 389664860), (65, 329716420), (100, 214315673), (110, 194832430), (130, 164858210), (143, 149871100), (220, 97416215), (260, 82429105), (275, 77932972), (286, 74935550), (325, 65943284), (461, 46489300), (550, 38966486), (572, 37467775), (650, 32971642), (715, 29974220), (922, 23244650), (1100, 19483243), (1300, 16485821), (1430, 14987110), (1844, 11622325), (2305, 9297860), (2860, 7493555), (3251, 6592300), (3575, 5994844), (4610, 4648930), (5071, 4226300), (5993, 3576100), (6502, 3296150), (7150, 2997422), (9220, 2324465), (10142, 2113150), (11525, 1859572), (11986, 1788050), (13004, 1648075), (14300, 1498711), (16255, 1318460), (20284, 1056575), (23050, 929786), (23972, 894025), (25355, 845260), (29965, 715220), (32510, 659230), (35761, 599300), (42263, 507100), (46100, 464893), (50710, 422630), (59930, 357610), (65020, 329615), (65923, 325100), (71522, 299650), (81275, 263692), (84526, 253550), (101420, 211315), (119860, 178805), (126775, 169052), (131846, 162550), (143044, 149825)]