211379940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{3253}}^1$

素因数の和:3306

約数の個数: 108

約数和(自身を含む): 676916604

約数和(自身を除く): 465536664

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 361, 380, 570, 684, 722, 855, 1083, 1140, 1444, 1710, 1805, 2166, 3249, 3253, 3420, 3610, 4332, 5415, 6498, 6506, 7220, 9759, 10830, 12996, 13012, 16245, 16265, 19518, 21660, 29277, 32490, 32530, 39036, 48795, 58554, 61807, 64980, 65060, 97590, 117108, 123614, 146385, 185421, 195180, 247228, 292770, 309035, 370842, 556263, 585540, 618070, 741684, 927105, 1112526, 1174333, 1236140, 1854210, 2225052, 2348666, 2781315, 3522999, 3708420, 4697332, 5562630, 5871665, 7045998, 10568997, 11125260, 11743330, 14091996, 17614995, 21137994, 23486660, 35229990, 42275988, 52844985, 70459980, 105689970, 211379940]

約数ペア:

[(1, 211379940), (2, 105689970), (3, 70459980), (4, 52844985), (5, 42275988), (6, 35229990), (9, 23486660), (10, 21137994), (12, 17614995), (15, 14091996), (18, 11743330), (19, 11125260), (20, 10568997), (30, 7045998), (36, 5871665), (38, 5562630), (45, 4697332), (57, 3708420), (60, 3522999), (76, 2781315), (90, 2348666), (95, 2225052), (114, 1854210), (171, 1236140), (180, 1174333), (190, 1112526), (228, 927105), (285, 741684), (342, 618070), (361, 585540), (380, 556263), (570, 370842), (684, 309035), (722, 292770), (855, 247228), (1083, 195180), (1140, 185421), (1444, 146385), (1710, 123614), (1805, 117108), (2166, 97590), (3249, 65060), (3253, 64980), (3420, 61807), (3610, 58554), (4332, 48795), (5415, 39036), (6498, 32530), (6506, 32490), (7220, 29277), (9759, 21660), (10830, 19518), (12996, 16265), (13012, 16245)]