621878980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:389

約数の個数: 96

約数和(自身を含む): 1394265600

約数和(自身を除く): 772386620

約数列:

[1, 2, 4, 5, 10, 20, 37, 41, 74, 82, 103, 148, 164, 185, 199, 205, 206, 370, 398, 410, 412, 515, 740, 796, 820, 995, 1030, 1517, 1990, 2060, 3034, 3811, 3980, 4223, 6068, 7363, 7585, 7622, 8159, 8446, 14726, 15170, 15244, 16318, 16892, 19055, 20497, 21115, 29452, 30340, 32636, 36815, 38110, 40795, 40994, 42230, 73630, 76220, 81590, 81988, 84460, 102485, 147260, 156251, 163180, 204970, 301883, 312502, 409940, 603766, 625004, 758389, 781255, 840377, 1207532, 1509415, 1516778, 1562510, 1680754, 3018830, 3033556, 3125020, 3361508, 3791945, 4201885, 6037660, 7583890, 8403770, 15167780, 16807540, 31093949, 62187898, 124375796, 155469745, 310939490, 621878980]

約数ペア:

[(1, 621878980), (2, 310939490), (4, 155469745), (5, 124375796), (10, 62187898), (20, 31093949), (37, 16807540), (41, 15167780), (74, 8403770), (82, 7583890), (103, 6037660), (148, 4201885), (164, 3791945), (185, 3361508), (199, 3125020), (205, 3033556), (206, 3018830), (370, 1680754), (398, 1562510), (410, 1516778), (412, 1509415), (515, 1207532), (740, 840377), (796, 781255), (820, 758389), (995, 625004), (1030, 603766), (1517, 409940), (1990, 312502), (2060, 301883), (3034, 204970), (3811, 163180), (3980, 156251), (4223, 147260), (6068, 102485), (7363, 84460), (7585, 81988), (7622, 81590), (8159, 76220), (8446, 73630), (14726, 42230), (15170, 40994), (15244, 40795), (16318, 38110), (16892, 36815), (19055, 32636), (20497, 30340), (21115, 29452)]