28798300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{659}}^1$

素因数の和:715

約数の個数: 72

約数和(自身を含む): 68745600

約数和(自身を除く): 39947300

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 25, 38, 46, 50, 76, 92, 95, 100, 115, 190, 230, 380, 437, 460, 475, 575, 659, 874, 950, 1150, 1318, 1748, 1900, 2185, 2300, 2636, 3295, 4370, 6590, 8740, 10925, 12521, 13180, 15157, 16475, 21850, 25042, 30314, 32950, 43700, 50084, 60628, 62605, 65900, 75785, 125210, 151570, 250420, 287983, 303140, 313025, 378925, 575966, 626050, 757850, 1151932, 1252100, 1439915, 1515700, 2879830, 5759660, 7199575, 14399150, 28798300]

約数ペア:

[(1, 28798300), (2, 14399150), (4, 7199575), (5, 5759660), (10, 2879830), (19, 1515700), (20, 1439915), (23, 1252100), (25, 1151932), (38, 757850), (46, 626050), (50, 575966), (76, 378925), (92, 313025), (95, 303140), (100, 287983), (115, 250420), (190, 151570), (230, 125210), (380, 75785), (437, 65900), (460, 62605), (475, 60628), (575, 50084), (659, 43700), (874, 32950), (950, 30314), (1150, 25042), (1318, 21850), (1748, 16475), (1900, 15157), (2185, 13180), (2300, 12521), (2636, 10925), (3295, 8740), (4370, 6590)]