79007900

素因数分解:

$2^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 177280320

約数和(自身を除く): 98272420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 73, 79, 100, 137, 146, 158, 274, 292, 316, 365, 395, 548, 685, 730, 790, 1370, 1460, 1580, 1825, 1975, 2740, 3425, 3650, 3950, 5767, 6850, 7300, 7900, 10001, 10823, 11534, 13700, 20002, 21646, 23068, 28835, 40004, 43292, 50005, 54115, 57670, 100010, 108230, 115340, 144175, 200020, 216460, 250025, 270575, 288350, 500050, 541150, 576700, 790079, 1000100, 1082300, 1580158, 3160316, 3950395, 7900790, 15801580, 19751975, 39503950, 79007900]

約数ペア:

[(1, 79007900), (2, 39503950), (4, 19751975), (5, 15801580), (10, 7900790), (20, 3950395), (25, 3160316), (50, 1580158), (73, 1082300), (79, 1000100), (100, 790079), (137, 576700), (146, 541150), (158, 500050), (274, 288350), (292, 270575), (316, 250025), (365, 216460), (395, 200020), (548, 144175), (685, 115340), (730, 108230), (790, 100010), (1370, 57670), (1460, 54115), (1580, 50005), (1825, 43292), (1975, 40004), (2740, 28835), (3425, 23068), (3650, 21646), (3950, 20002), (5767, 13700), (6850, 11534), (7300, 10823), (7900, 10001)]