891990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:94

約数の個数: 96

約数和(自身を含む): 2729376

約数和(自身を除く): 1837386

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 17, 18, 22, 30, 33, 34, 45, 51, 53, 55, 66, 85, 90, 99, 102, 106, 110, 153, 159, 165, 170, 187, 198, 255, 265, 306, 318, 330, 374, 477, 495, 510, 530, 561, 583, 765, 795, 901, 935, 954, 990, 1122, 1166, 1530, 1590, 1683, 1749, 1802, 1870, 2385, 2703, 2805, 2915, 3366, 3498, 4505, 4770, 5247, 5406, 5610, 5830, 8109, 8415, 8745, 9010, 9911, 10494, 13515, 16218, 16830, 17490, 19822, 26235, 27030, 29733, 40545, 49555, 52470, 59466, 81090, 89199, 99110, 148665, 178398, 297330, 445995, 891990]

約数ペア:

[(1, 891990), (2, 445995), (3, 297330), (5, 178398), (6, 148665), (9, 99110), (10, 89199), (11, 81090), (15, 59466), (17, 52470), (18, 49555), (22, 40545), (30, 29733), (33, 27030), (34, 26235), (45, 19822), (51, 17490), (53, 16830), (55, 16218), (66, 13515), (85, 10494), (90, 9911), (99, 9010), (102, 8745), (106, 8415), (110, 8109), (153, 5830), (159, 5610), (165, 5406), (170, 5247), (187, 4770), (198, 4505), (255, 3498), (265, 3366), (306, 2915), (318, 2805), (330, 2703), (374, 2385), (477, 1870), (495, 1802), (510, 1749), (530, 1683), (561, 1590), (583, 1530), (765, 1166), (795, 1122), (901, 990), (935, 954)]