200896990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{421}}^1$

素因数の和:853

約数の個数: 64

約数和(自身を含む): 439717248

約数和(自身を除く): 238820258

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 401, 421, 595, 802, 842, 1190, 2005, 2105, 2807, 2947, 4010, 4210, 5614, 5894, 6817, 7157, 13634, 14035, 14314, 14735, 28070, 29470, 34085, 35785, 47719, 50099, 68170, 71570, 95438, 100198, 168821, 238595, 250495, 337642, 477190, 500990, 844105, 1181747, 1688210, 2363494, 2869957, 5739914, 5908735, 11817470, 14349785, 20089699, 28699570, 40179398, 100448495, 200896990]

約数ペア:

[(1, 200896990), (2, 100448495), (5, 40179398), (7, 28699570), (10, 20089699), (14, 14349785), (17, 11817470), (34, 5908735), (35, 5739914), (70, 2869957), (85, 2363494), (119, 1688210), (170, 1181747), (238, 844105), (401, 500990), (421, 477190), (595, 337642), (802, 250495), (842, 238595), (1190, 168821), (2005, 100198), (2105, 95438), (2807, 71570), (2947, 68170), (4010, 50099), (4210, 47719), (5614, 35785), (5894, 34085), (6817, 29470), (7157, 28070), (13634, 14735), (14035, 14314)]