145401340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{307}}^1$

素因数の和:539

約数の個数: 96

約数和(自身を含む): 372556800

約数和(自身を除く): 227155460

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 199, 238, 307, 340, 398, 476, 595, 614, 796, 995, 1190, 1228, 1393, 1535, 1990, 2149, 2380, 2786, 3070, 3383, 3980, 4298, 5219, 5572, 6140, 6766, 6965, 8596, 10438, 10745, 13532, 13930, 16915, 20876, 21490, 23681, 26095, 27860, 33830, 36533, 42980, 47362, 52190, 61093, 67660, 73066, 94724, 104380, 118405, 122186, 146132, 182665, 236810, 244372, 305465, 365330, 427651, 473620, 610930, 730660, 855302, 1038581, 1221860, 1710604, 2077162, 2138255, 4154324, 4276510, 5192905, 7270067, 8553020, 10385810, 14540134, 20771620, 29080268, 36350335, 72700670, 145401340]

約数ペア:

[(1, 145401340), (2, 72700670), (4, 36350335), (5, 29080268), (7, 20771620), (10, 14540134), (14, 10385810), (17, 8553020), (20, 7270067), (28, 5192905), (34, 4276510), (35, 4154324), (68, 2138255), (70, 2077162), (85, 1710604), (119, 1221860), (140, 1038581), (170, 855302), (199, 730660), (238, 610930), (307, 473620), (340, 427651), (398, 365330), (476, 305465), (595, 244372), (614, 236810), (796, 182665), (995, 146132), (1190, 122186), (1228, 118405), (1393, 104380), (1535, 94724), (1990, 73066), (2149, 67660), (2380, 61093), (2786, 52190), (3070, 47362), (3383, 42980), (3980, 36533), (4298, 33830), (5219, 27860), (5572, 26095), (6140, 23681), (6766, 21490), (6965, 20876), (8596, 16915), (10438, 13930), (10745, 13532)]