204915144

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{457}}^1$

素因数の和:647

約数の個数: 128

約数和(自身を含む): 625224960

約数和(自身を除く): 420309816

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 84, 102, 119, 136, 157, 168, 204, 238, 314, 357, 408, 457, 471, 476, 628, 714, 914, 942, 952, 1099, 1256, 1371, 1428, 1828, 1884, 2198, 2669, 2742, 2856, 3199, 3297, 3656, 3768, 4396, 5338, 5484, 6398, 6594, 7769, 8007, 8792, 9597, 10676, 10968, 12796, 13188, 15538, 16014, 18683, 19194, 21352, 23307, 25592, 26376, 31076, 32028, 37366, 38388, 46614, 54383, 56049, 62152, 64056, 71749, 74732, 76776, 93228, 108766, 112098, 143498, 149464, 163149, 186456, 215247, 217532, 224196, 286996, 326298, 430494, 435064, 448392, 502243, 573992, 652596, 860988, 1004486, 1219733, 1305192, 1506729, 1721976, 2008972, 2439466, 3013458, 3659199, 4017944, 4878932, 6026916, 7318398, 8538131, 9757864, 12053832, 14636796, 17076262, 25614393, 29273592, 34152524, 51228786, 68305048, 102457572, 204915144]

約数ペア:

[(1, 204915144), (2, 102457572), (3, 68305048), (4, 51228786), (6, 34152524), (7, 29273592), (8, 25614393), (12, 17076262), (14, 14636796), (17, 12053832), (21, 9757864), (24, 8538131), (28, 7318398), (34, 6026916), (42, 4878932), (51, 4017944), (56, 3659199), (68, 3013458), (84, 2439466), (102, 2008972), (119, 1721976), (136, 1506729), (157, 1305192), (168, 1219733), (204, 1004486), (238, 860988), (314, 652596), (357, 573992), (408, 502243), (457, 448392), (471, 435064), (476, 430494), (628, 326298), (714, 286996), (914, 224196), (942, 217532), (952, 215247), (1099, 186456), (1256, 163149), (1371, 149464), (1428, 143498), (1828, 112098), (1884, 108766), (2198, 93228), (2669, 76776), (2742, 74732), (2856, 71749), (3199, 64056), (3297, 62152), (3656, 56049), (3768, 54383), (4396, 46614), (5338, 38388), (5484, 37366), (6398, 32028), (6594, 31076), (7769, 26376), (8007, 25592), (8792, 23307), (9597, 21352), (10676, 19194), (10968, 18683), (12796, 16014), (13188, 15538)]