19698800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^3\times {\mathrm{37}}^1$

素因数の和:88

約数の個数: 120

約数和(自身を含む): 53462352

約数和(自身を除く): 33763552

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 37, 40, 44, 50, 55, 74, 80, 88, 100, 110, 121, 148, 176, 185, 200, 220, 242, 275, 296, 370, 400, 407, 440, 484, 550, 592, 605, 740, 814, 880, 925, 968, 1100, 1210, 1331, 1480, 1628, 1850, 1936, 2035, 2200, 2420, 2662, 2960, 3025, 3256, 3700, 4070, 4400, 4477, 4840, 5324, 6050, 6512, 6655, 7400, 8140, 8954, 9680, 10175, 10648, 12100, 13310, 14800, 16280, 17908, 20350, 21296, 22385, 24200, 26620, 32560, 33275, 35816, 40700, 44770, 48400, 49247, 53240, 66550, 71632, 81400, 89540, 98494, 106480, 111925, 133100, 162800, 179080, 196988, 223850, 246235, 266200, 358160, 393976, 447700, 492470, 532400, 787952, 895400, 984940, 1231175, 1790800, 1969880, 2462350, 3939760, 4924700, 9849400, 19698800]

約数ペア:

[(1, 19698800), (2, 9849400), (4, 4924700), (5, 3939760), (8, 2462350), (10, 1969880), (11, 1790800), (16, 1231175), (20, 984940), (22, 895400), (25, 787952), (37, 532400), (40, 492470), (44, 447700), (50, 393976), (55, 358160), (74, 266200), (80, 246235), (88, 223850), (100, 196988), (110, 179080), (121, 162800), (148, 133100), (176, 111925), (185, 106480), (200, 98494), (220, 89540), (242, 81400), (275, 71632), (296, 66550), (370, 53240), (400, 49247), (407, 48400), (440, 44770), (484, 40700), (550, 35816), (592, 33275), (605, 32560), (740, 26620), (814, 24200), (880, 22385), (925, 21296), (968, 20350), (1100, 17908), (1210, 16280), (1331, 14800), (1480, 13310), (1628, 12100), (1850, 10648), (1936, 10175), (2035, 9680), (2200, 8954), (2420, 8140), (2662, 7400), (2960, 6655), (3025, 6512), (3256, 6050), (3700, 5324), (4070, 4840), (4400, 4477)]