304156940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:559

約数の個数: 72

約数和(自身を含む): 682325280

約数和(自身を除く): 378168340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 190, 206, 361, 380, 409, 412, 515, 722, 818, 1030, 1444, 1636, 1805, 1957, 2045, 2060, 3610, 3914, 4090, 7220, 7771, 7828, 8180, 9785, 15542, 19570, 31084, 37183, 38855, 39140, 42127, 74366, 77710, 84254, 147649, 148732, 155420, 168508, 185915, 210635, 295298, 371830, 421270, 590596, 738245, 743660, 800413, 842540, 1476490, 1600826, 2952980, 3201652, 4002065, 8004130, 15207847, 16008260, 30415694, 60831388, 76039235, 152078470, 304156940]

約数ペア:

[(1, 304156940), (2, 152078470), (4, 76039235), (5, 60831388), (10, 30415694), (19, 16008260), (20, 15207847), (38, 8004130), (76, 4002065), (95, 3201652), (103, 2952980), (190, 1600826), (206, 1476490), (361, 842540), (380, 800413), (409, 743660), (412, 738245), (515, 590596), (722, 421270), (818, 371830), (1030, 295298), (1444, 210635), (1636, 185915), (1805, 168508), (1957, 155420), (2045, 148732), (2060, 147649), (3610, 84254), (3914, 77710), (4090, 74366), (7220, 42127), (7771, 39140), (7828, 38855), (8180, 37183), (9785, 31084), (15542, 19570)]