28743200

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 144

約数和(自身を含む): 77495040

約数和(自身を除く): 48751840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 32, 38, 40, 50, 61, 62, 76, 80, 95, 100, 122, 124, 152, 155, 160, 190, 200, 244, 248, 304, 305, 310, 380, 400, 475, 488, 496, 589, 608, 610, 620, 760, 775, 800, 950, 976, 992, 1159, 1178, 1220, 1240, 1520, 1525, 1550, 1891, 1900, 1952, 2318, 2356, 2440, 2480, 2945, 3040, 3050, 3100, 3782, 3800, 4636, 4712, 4880, 4960, 5795, 5890, 6100, 6200, 7564, 7600, 9272, 9424, 9455, 9760, 11590, 11780, 12200, 12400, 14725, 15128, 15200, 18544, 18848, 18910, 23180, 23560, 24400, 24800, 28975, 29450, 30256, 35929, 37088, 37820, 46360, 47120, 47275, 48800, 57950, 58900, 60512, 71858, 75640, 92720, 94240, 94550, 115900, 117800, 143716, 151280, 179645, 185440, 189100, 231800, 235600, 287432, 302560, 359290, 378200, 463600, 471200, 574864, 718580, 756400, 898225, 927200, 1149728, 1437160, 1512800, 1796450, 2874320, 3592900, 5748640, 7185800, 14371600, 28743200]

約数ペア:

[(1, 28743200), (2, 14371600), (4, 7185800), (5, 5748640), (8, 3592900), (10, 2874320), (16, 1796450), (19, 1512800), (20, 1437160), (25, 1149728), (31, 927200), (32, 898225), (38, 756400), (40, 718580), (50, 574864), (61, 471200), (62, 463600), (76, 378200), (80, 359290), (95, 302560), (100, 287432), (122, 235600), (124, 231800), (152, 189100), (155, 185440), (160, 179645), (190, 151280), (200, 143716), (244, 117800), (248, 115900), (304, 94550), (305, 94240), (310, 92720), (380, 75640), (400, 71858), (475, 60512), (488, 58900), (496, 57950), (589, 48800), (608, 47275), (610, 47120), (620, 46360), (760, 37820), (775, 37088), (800, 35929), (950, 30256), (976, 29450), (992, 28975), (1159, 24800), (1178, 24400), (1220, 23560), (1240, 23180), (1520, 18910), (1525, 18848), (1550, 18544), (1891, 15200), (1900, 15128), (1952, 14725), (2318, 12400), (2356, 12200), (2440, 11780), (2480, 11590), (2945, 9760), (3040, 9455), (3050, 9424), (3100, 9272), (3782, 7600), (3800, 7564), (4636, 6200), (4712, 6100), (4880, 5890), (4960, 5795)]