279503910

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{911}}^1$

素因数の和:1418

約数の個数: 96

約数和(自身を含む): 833144832

約数和(自身を除く): 553640922

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 487, 630, 911, 974, 1461, 1822, 2435, 2733, 2922, 3409, 4383, 4555, 4870, 5466, 6377, 6818, 7305, 8199, 8766, 9110, 10227, 12754, 13665, 14610, 16398, 17045, 19131, 20454, 21915, 27330, 30681, 31885, 34090, 38262, 40995, 43830, 51135, 57393, 61362, 63770, 81990, 95655, 102270, 114786, 153405, 191310, 286965, 306810, 443657, 573930, 887314, 1330971, 2218285, 2661942, 3105599, 3992913, 4436570, 6211198, 6654855, 7985826, 9316797, 13309710, 15527995, 18633594, 19964565, 27950391, 31055990, 39929130, 46583985, 55900782, 93167970, 139751955, 279503910]

約数ペア:

[(1, 279503910), (2, 139751955), (3, 93167970), (5, 55900782), (6, 46583985), (7, 39929130), (9, 31055990), (10, 27950391), (14, 19964565), (15, 18633594), (18, 15527995), (21, 13309710), (30, 9316797), (35, 7985826), (42, 6654855), (45, 6211198), (63, 4436570), (70, 3992913), (90, 3105599), (105, 2661942), (126, 2218285), (210, 1330971), (315, 887314), (487, 573930), (630, 443657), (911, 306810), (974, 286965), (1461, 191310), (1822, 153405), (2435, 114786), (2733, 102270), (2922, 95655), (3409, 81990), (4383, 63770), (4555, 61362), (4870, 57393), (5466, 51135), (6377, 43830), (6818, 40995), (7305, 38262), (8199, 34090), (8766, 31885), (9110, 30681), (10227, 27330), (12754, 21915), (13665, 20454), (14610, 19131), (16398, 17045)]