209539620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{68477}}^1$

素因数の和:68509

約数の個数: 72

約数和(自身を含む): 673001784

約数和(自身を除く): 463462164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 68477, 136954, 205431, 273908, 342385, 410862, 616293, 684770, 821724, 1027155, 1164109, 1232586, 1369540, 2054310, 2328218, 2465172, 3081465, 3492327, 4108620, 4656436, 5820545, 6162930, 6984654, 10476981, 11641090, 12325860, 13969308, 17461635, 20953962, 23282180, 34923270, 41907924, 52384905, 69846540, 104769810, 209539620]

約数ペア:

[(1, 209539620), (2, 104769810), (3, 69846540), (4, 52384905), (5, 41907924), (6, 34923270), (9, 23282180), (10, 20953962), (12, 17461635), (15, 13969308), (17, 12325860), (18, 11641090), (20, 10476981), (30, 6984654), (34, 6162930), (36, 5820545), (45, 4656436), (51, 4108620), (60, 3492327), (68, 3081465), (85, 2465172), (90, 2328218), (102, 2054310), (153, 1369540), (170, 1232586), (180, 1164109), (204, 1027155), (255, 821724), (306, 684770), (340, 616293), (510, 410862), (612, 342385), (765, 273908), (1020, 205431), (1530, 136954), (3060, 68477)]