2009820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:115

約数の個数: 96

約数和(自身を含む): 6209280

約数和(自身を除く): 4199460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 41, 43, 57, 60, 76, 82, 86, 95, 114, 123, 129, 164, 172, 190, 205, 215, 228, 246, 258, 285, 380, 410, 430, 492, 516, 570, 615, 645, 779, 817, 820, 860, 1140, 1230, 1290, 1558, 1634, 1763, 2337, 2451, 2460, 2580, 3116, 3268, 3526, 3895, 4085, 4674, 4902, 5289, 7052, 7790, 8170, 8815, 9348, 9804, 10578, 11685, 12255, 15580, 16340, 17630, 21156, 23370, 24510, 26445, 33497, 35260, 46740, 49020, 52890, 66994, 100491, 105780, 133988, 167485, 200982, 334970, 401964, 502455, 669940, 1004910, 2009820]

約数ペア:

[(1, 2009820), (2, 1004910), (3, 669940), (4, 502455), (5, 401964), (6, 334970), (10, 200982), (12, 167485), (15, 133988), (19, 105780), (20, 100491), (30, 66994), (38, 52890), (41, 49020), (43, 46740), (57, 35260), (60, 33497), (76, 26445), (82, 24510), (86, 23370), (95, 21156), (114, 17630), (123, 16340), (129, 15580), (164, 12255), (172, 11685), (190, 10578), (205, 9804), (215, 9348), (228, 8815), (246, 8170), (258, 7790), (285, 7052), (380, 5289), (410, 4902), (430, 4674), (492, 4085), (516, 3895), (570, 3526), (615, 3268), (645, 3116), (779, 2580), (817, 2460), (820, 2451), (860, 2337), (1140, 1763), (1230, 1634), (1290, 1558)]