2920450100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{21649}}^1$

素因数の和:21753

約数の個数: 72

約数和(自身を含む): 6765192000

約数和(自身を除く): 3844741900

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 71, 76, 95, 100, 142, 190, 284, 355, 380, 475, 710, 950, 1349, 1420, 1775, 1900, 2698, 3550, 5396, 6745, 7100, 13490, 21649, 26980, 33725, 43298, 67450, 86596, 108245, 134900, 216490, 411331, 432980, 541225, 822662, 1082450, 1537079, 1645324, 2056655, 2164900, 3074158, 4113310, 6148316, 7685395, 8226620, 10283275, 15370790, 20566550, 29204501, 30741580, 38426975, 41133100, 58409002, 76853950, 116818004, 146022505, 153707900, 292045010, 584090020, 730112525, 1460225050, 2920450100]

約数ペア:

[(1, 2920450100), (2, 1460225050), (4, 730112525), (5, 584090020), (10, 292045010), (19, 153707900), (20, 146022505), (25, 116818004), (38, 76853950), (50, 58409002), (71, 41133100), (76, 38426975), (95, 30741580), (100, 29204501), (142, 20566550), (190, 15370790), (284, 10283275), (355, 8226620), (380, 7685395), (475, 6148316), (710, 4113310), (950, 3074158), (1349, 2164900), (1420, 2056655), (1775, 1645324), (1900, 1537079), (2698, 1082450), (3550, 822662), (5396, 541225), (6745, 432980), (7100, 411331), (13490, 216490), (21649, 134900), (26980, 108245), (33725, 86596), (43298, 67450)]