808225990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:398

約数の個数: 128

約数和(自身を含む): 1820206080

約数和(自身を除く): 1011980090

約数列:

[1, 2, 5, 10, 11, 13, 19, 22, 26, 38, 55, 65, 95, 110, 130, 143, 151, 190, 197, 209, 247, 286, 302, 394, 418, 494, 715, 755, 985, 1045, 1235, 1430, 1510, 1661, 1963, 1970, 2090, 2167, 2470, 2561, 2717, 2869, 3322, 3743, 3926, 4334, 5122, 5434, 5738, 7486, 8305, 9815, 10835, 12805, 13585, 14345, 16610, 18715, 19630, 21593, 21670, 25610, 27170, 28171, 28690, 29747, 31559, 37297, 37430, 41173, 43186, 48659, 56342, 59494, 63118, 74594, 82346, 97318, 107965, 140855, 148735, 157795, 186485, 205865, 215930, 243295, 281710, 297470, 315590, 327217, 372970, 386711, 410267, 411730, 486590, 535249, 565193, 654434, 773422, 820534, 1070498, 1130386, 1636085, 1933555, 2051335, 2676245, 2825965, 3272170, 3867110, 4102670, 4253821, 5352490, 5651930, 6217123, 7347509, 8507642, 12434246, 14695018, 21269105, 31085615, 36737545, 42538210, 62171230, 73475090, 80822599, 161645198, 404112995, 808225990]

約数ペア:

[(1, 808225990), (2, 404112995), (5, 161645198), (10, 80822599), (11, 73475090), (13, 62171230), (19, 42538210), (22, 36737545), (26, 31085615), (38, 21269105), (55, 14695018), (65, 12434246), (95, 8507642), (110, 7347509), (130, 6217123), (143, 5651930), (151, 5352490), (190, 4253821), (197, 4102670), (209, 3867110), (247, 3272170), (286, 2825965), (302, 2676245), (394, 2051335), (418, 1933555), (494, 1636085), (715, 1130386), (755, 1070498), (985, 820534), (1045, 773422), (1235, 654434), (1430, 565193), (1510, 535249), (1661, 486590), (1963, 411730), (1970, 410267), (2090, 386711), (2167, 372970), (2470, 327217), (2561, 315590), (2717, 297470), (2869, 281710), (3322, 243295), (3743, 215930), (3926, 205865), (4334, 186485), (5122, 157795), (5434, 148735), (5738, 140855), (7486, 107965), (8305, 97318), (9815, 82346), (10835, 74594), (12805, 63118), (13585, 59494), (14345, 56342), (16610, 48659), (18715, 43186), (19630, 41173), (21593, 37430), (21670, 37297), (25610, 31559), (27170, 29747), (28171, 28690)]