149598980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{2953}}^1$

素因数の和:3128

約数の個数: 48

約数和(自身を含む): 334983600

約数和(自身を除く): 185384620

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 149, 170, 298, 340, 596, 745, 1490, 2533, 2953, 2980, 5066, 5906, 10132, 11812, 12665, 14765, 25330, 29530, 50201, 50660, 59060, 100402, 200804, 251005, 439997, 502010, 879994, 1004020, 1759988, 2199985, 4399970, 7479949, 8799940, 14959898, 29919796, 37399745, 74799490, 149598980]

約数ペア:

[(1, 149598980), (2, 74799490), (4, 37399745), (5, 29919796), (10, 14959898), (17, 8799940), (20, 7479949), (34, 4399970), (68, 2199985), (85, 1759988), (149, 1004020), (170, 879994), (298, 502010), (340, 439997), (596, 251005), (745, 200804), (1490, 100402), (2533, 59060), (2953, 50660), (2980, 50201), (5066, 29530), (5906, 25330), (10132, 14765), (11812, 12665)]