28507600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:90

約数の個数: 180

約数和(自身を含む): 81800320

約数和(自身を除く): 53292720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 25, 31, 38, 40, 44, 50, 55, 62, 76, 80, 88, 95, 100, 110, 121, 124, 152, 155, 176, 190, 200, 209, 220, 242, 248, 275, 304, 310, 341, 380, 400, 418, 440, 475, 484, 496, 550, 589, 605, 620, 682, 760, 775, 836, 880, 950, 968, 1045, 1100, 1178, 1210, 1240, 1364, 1520, 1550, 1672, 1705, 1900, 1936, 2090, 2200, 2299, 2356, 2420, 2480, 2728, 2945, 3025, 3100, 3344, 3410, 3751, 3800, 4180, 4400, 4598, 4712, 4840, 5225, 5456, 5890, 6050, 6200, 6479, 6820, 7502, 7600, 8360, 8525, 9196, 9424, 9680, 10450, 11495, 11780, 12100, 12400, 12958, 13640, 14725, 15004, 16720, 17050, 18392, 18755, 20900, 22990, 23560, 24200, 25916, 27280, 29450, 30008, 32395, 34100, 36784, 37510, 41800, 45980, 47120, 48400, 51832, 57475, 58900, 60016, 64790, 68200, 71269, 75020, 83600, 91960, 93775, 103664, 114950, 117800, 129580, 136400, 142538, 150040, 161975, 183920, 187550, 229900, 235600, 259160, 285076, 300080, 323950, 356345, 375100, 459800, 518320, 570152, 647900, 712690, 750200, 919600, 1140304, 1295800, 1425380, 1500400, 1781725, 2591600, 2850760, 3563450, 5701520, 7126900, 14253800, 28507600]

約数ペア:

[(1, 28507600), (2, 14253800), (4, 7126900), (5, 5701520), (8, 3563450), (10, 2850760), (11, 2591600), (16, 1781725), (19, 1500400), (20, 1425380), (22, 1295800), (25, 1140304), (31, 919600), (38, 750200), (40, 712690), (44, 647900), (50, 570152), (55, 518320), (62, 459800), (76, 375100), (80, 356345), (88, 323950), (95, 300080), (100, 285076), (110, 259160), (121, 235600), (124, 229900), (152, 187550), (155, 183920), (176, 161975), (190, 150040), (200, 142538), (209, 136400), (220, 129580), (242, 117800), (248, 114950), (275, 103664), (304, 93775), (310, 91960), (341, 83600), (380, 75020), (400, 71269), (418, 68200), (440, 64790), (475, 60016), (484, 58900), (496, 57475), (550, 51832), (589, 48400), (605, 47120), (620, 45980), (682, 41800), (760, 37510), (775, 36784), (836, 34100), (880, 32395), (950, 30008), (968, 29450), (1045, 27280), (1100, 25916), (1178, 24200), (1210, 23560), (1240, 22990), (1364, 20900), (1520, 18755), (1550, 18392), (1672, 17050), (1705, 16720), (1900, 15004), (1936, 14725), (2090, 13640), (2200, 12958), (2299, 12400), (2356, 12100), (2420, 11780), (2480, 11495), (2728, 10450), (2945, 9680), (3025, 9424), (3100, 9196), (3344, 8525), (3410, 8360), (3751, 7600), (3800, 7502), (4180, 6820), (4400, 6479), (4598, 6200), (4712, 6050), (4840, 5890), (5225, 5456)]