2019901140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{238759}}^1$

素因数の和:238821

約数の個数: 72

約数和(自身を含む): 6257422080

約数和(自身を除く): 4237520940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2820, 4230, 8460, 238759, 477518, 716277, 955036, 1193795, 1432554, 2148831, 2387590, 2865108, 3581385, 4297662, 4775180, 7162770, 8595324, 10744155, 11221673, 14325540, 21488310, 22443346, 33665019, 42976620, 44886692, 56108365, 67330038, 100995057, 112216730, 134660076, 168325095, 201990114, 224433460, 336650190, 403980228, 504975285, 673300380, 1009950570, 2019901140]

約数ペア:

[(1, 2019901140), (2, 1009950570), (3, 673300380), (4, 504975285), (5, 403980228), (6, 336650190), (9, 224433460), (10, 201990114), (12, 168325095), (15, 134660076), (18, 112216730), (20, 100995057), (30, 67330038), (36, 56108365), (45, 44886692), (47, 42976620), (60, 33665019), (90, 22443346), (94, 21488310), (141, 14325540), (180, 11221673), (188, 10744155), (235, 8595324), (282, 7162770), (423, 4775180), (470, 4297662), (564, 3581385), (705, 2865108), (846, 2387590), (940, 2148831), (1410, 1432554), (1692, 1193795), (2115, 955036), (2820, 716277), (4230, 477518), (8460, 238759)]