1965009025

素因数分解:

$5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{719}}^1$

素因数の和:863

約数の個数: 72

約数和(自身を含む): 2992308480

約数和(自身を除く): 1027299455

約数列:

[1, 5, 7, 23, 25, 35, 49, 97, 115, 161, 175, 245, 485, 575, 679, 719, 805, 1127, 1225, 2231, 2425, 3395, 3595, 4025, 4753, 5033, 5635, 11155, 15617, 16537, 16975, 17975, 23765, 25165, 28175, 35231, 55775, 69743, 78085, 82685, 109319, 115759, 118825, 125825, 176155, 348715, 390425, 413425, 488201, 546595, 578795, 810313, 880775, 1604089, 1743575, 2441005, 2732975, 2893975, 3417407, 4051565, 8020445, 11228623, 12205025, 17087035, 20257825, 40102225, 56143115, 78600361, 85435175, 280715575, 393001805, 1965009025]

約数ペア:

[(1, 1965009025), (5, 393001805), (7, 280715575), (23, 85435175), (25, 78600361), (35, 56143115), (49, 40102225), (97, 20257825), (115, 17087035), (161, 12205025), (175, 11228623), (245, 8020445), (485, 4051565), (575, 3417407), (679, 2893975), (719, 2732975), (805, 2441005), (1127, 1743575), (1225, 1604089), (2231, 880775), (2425, 810313), (3395, 578795), (3595, 546595), (4025, 488201), (4753, 413425), (5033, 390425), (5635, 348715), (11155, 176155), (15617, 125825), (16537, 118825), (16975, 115759), (17975, 109319), (23765, 82685), (25165, 78085), (28175, 69743), (35231, 55775)]