31681100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 76120128

約数和(自身を除く): 44439028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 83, 100, 110, 166, 220, 275, 332, 347, 415, 550, 694, 830, 913, 1100, 1388, 1660, 1735, 1826, 2075, 3470, 3652, 3817, 4150, 4565, 6940, 7634, 8300, 8675, 9130, 15268, 17350, 18260, 19085, 22825, 28801, 34700, 38170, 45650, 57602, 76340, 91300, 95425, 115204, 144005, 190850, 288010, 316811, 381700, 576020, 633622, 720025, 1267244, 1440050, 1584055, 2880100, 3168110, 6336220, 7920275, 15840550, 31681100]

約数ペア:

[(1, 31681100), (2, 15840550), (4, 7920275), (5, 6336220), (10, 3168110), (11, 2880100), (20, 1584055), (22, 1440050), (25, 1267244), (44, 720025), (50, 633622), (55, 576020), (83, 381700), (100, 316811), (110, 288010), (166, 190850), (220, 144005), (275, 115204), (332, 95425), (347, 91300), (415, 76340), (550, 57602), (694, 45650), (830, 38170), (913, 34700), (1100, 28801), (1388, 22825), (1660, 19085), (1735, 18260), (1826, 17350), (2075, 15268), (3470, 9130), (3652, 8675), (3817, 8300), (4150, 7634), (4565, 6940)]