28061200

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:153

約数の個数: 90

約数和(自身を含む): 70616202

約数和(自身を除く): 42555002

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 73, 80, 100, 124, 146, 155, 200, 248, 292, 310, 365, 400, 496, 584, 620, 730, 775, 961, 1168, 1240, 1460, 1550, 1825, 1922, 2263, 2480, 2920, 3100, 3650, 3844, 4526, 4805, 5840, 6200, 7300, 7688, 9052, 9610, 11315, 12400, 14600, 15376, 18104, 19220, 22630, 24025, 29200, 36208, 38440, 45260, 48050, 56575, 70153, 76880, 90520, 96100, 113150, 140306, 181040, 192200, 226300, 280612, 350765, 384400, 452600, 561224, 701530, 905200, 1122448, 1403060, 1753825, 2806120, 3507650, 5612240, 7015300, 14030600, 28061200]

約数ペア:

[(1, 28061200), (2, 14030600), (4, 7015300), (5, 5612240), (8, 3507650), (10, 2806120), (16, 1753825), (20, 1403060), (25, 1122448), (31, 905200), (40, 701530), (50, 561224), (62, 452600), (73, 384400), (80, 350765), (100, 280612), (124, 226300), (146, 192200), (155, 181040), (200, 140306), (248, 113150), (292, 96100), (310, 90520), (365, 76880), (400, 70153), (496, 56575), (584, 48050), (620, 45260), (730, 38440), (775, 36208), (961, 29200), (1168, 24025), (1240, 22630), (1460, 19220), (1550, 18104), (1825, 15376), (1922, 14600), (2263, 12400), (2480, 11315), (2920, 9610), (3100, 9052), (3650, 7688), (3844, 7300), (4526, 6200), (4805, 5840)]