78402400

素因数分解:

$2^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{4261}}^1$

素因数の和:4304

約数の個数: 72

約数和(自身を含む): 199768464

約数和(自身を除く): 121366064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 80, 92, 100, 115, 160, 184, 200, 230, 368, 400, 460, 575, 736, 800, 920, 1150, 1840, 2300, 3680, 4261, 4600, 8522, 9200, 17044, 18400, 21305, 34088, 42610, 68176, 85220, 98003, 106525, 136352, 170440, 196006, 213050, 340880, 392012, 426100, 490015, 681760, 784024, 852200, 980030, 1568048, 1704400, 1960060, 2450075, 3136096, 3408800, 3920120, 4900150, 7840240, 9800300, 15680480, 19600600, 39201200, 78402400]

約数ペア:

[(1, 78402400), (2, 39201200), (4, 19600600), (5, 15680480), (8, 9800300), (10, 7840240), (16, 4900150), (20, 3920120), (23, 3408800), (25, 3136096), (32, 2450075), (40, 1960060), (46, 1704400), (50, 1568048), (80, 980030), (92, 852200), (100, 784024), (115, 681760), (160, 490015), (184, 426100), (200, 392012), (230, 340880), (368, 213050), (400, 196006), (460, 170440), (575, 136352), (736, 106525), (800, 98003), (920, 85220), (1150, 68176), (1840, 42610), (2300, 34088), (3680, 21305), (4261, 18400), (4600, 17044), (8522, 9200)]