18250835225

素因数分解:

$5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:500

約数の個数: 144

約数和(自身を含む): 29285268480

約数和(自身を除く): 11034433255

約数列:

[1, 5, 7, 19, 23, 25, 35, 49, 95, 103, 115, 133, 161, 175, 245, 331, 437, 475, 515, 575, 665, 721, 805, 931, 1127, 1225, 1655, 1957, 2185, 2317, 2369, 2575, 3059, 3325, 3605, 4025, 4655, 5047, 5635, 6289, 7613, 8275, 9785, 10925, 11585, 11845, 13699, 15295, 16219, 16583, 18025, 21413, 23275, 25235, 28175, 31445, 34093, 38065, 44023, 45011, 48925, 53291, 57925, 59225, 68495, 76475, 81095, 82915, 95893, 107065, 116081, 126175, 144647, 157225, 170465, 190325, 220115, 225055, 238651, 266455, 308161, 315077, 342475, 373037, 405475, 414575, 479465, 535325, 580405, 647767, 723235, 784139, 852325, 1012529, 1100575, 1125275, 1193255, 1332275, 1540805, 1575385, 1670557, 1865185, 2205539, 2397325, 2902025, 3238835, 3616175, 3920695, 4534369, 5062645, 5488973, 5966275, 7087703, 7704025, 7876925, 8352785, 9325925, 11027695, 14898641, 16194175, 19603475, 22671845, 25313225, 27444865, 31740583, 35438515, 38422811, 41763925, 55138475, 74493205, 104290487, 113359225, 137224325, 158702915, 177192575, 192114055, 372466025, 521452435, 730033409, 793514575, 960570275, 2607262175, 3650167045, 18250835225]

約数ペア:

[(1, 18250835225), (5, 3650167045), (7, 2607262175), (19, 960570275), (23, 793514575), (25, 730033409), (35, 521452435), (49, 372466025), (95, 192114055), (103, 177192575), (115, 158702915), (133, 137224325), (161, 113359225), (175, 104290487), (245, 74493205), (331, 55138475), (437, 41763925), (475, 38422811), (515, 35438515), (575, 31740583), (665, 27444865), (721, 25313225), (805, 22671845), (931, 19603475), (1127, 16194175), (1225, 14898641), (1655, 11027695), (1957, 9325925), (2185, 8352785), (2317, 7876925), (2369, 7704025), (2575, 7087703), (3059, 5966275), (3325, 5488973), (3605, 5062645), (4025, 4534369), (4655, 3920695), (5047, 3616175), (5635, 3238835), (6289, 2902025), (7613, 2397325), (8275, 2205539), (9785, 1865185), (10925, 1670557), (11585, 1575385), (11845, 1540805), (13699, 1332275), (15295, 1193255), (16219, 1125275), (16583, 1100575), (18025, 1012529), (21413, 852325), (23275, 784139), (25235, 723235), (28175, 647767), (31445, 580405), (34093, 535325), (38065, 479465), (44023, 414575), (45011, 405475), (48925, 373037), (53291, 342475), (57925, 315077), (59225, 308161), (68495, 266455), (76475, 238651), (81095, 225055), (82915, 220115), (95893, 190325), (107065, 170465), (116081, 157225), (126175, 144647)]