201203350

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:278

約数の個数: 72

約数和(自身を含む): 403085808

約数和(自身を除く): 201882458

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 71, 95, 142, 157, 190, 314, 355, 361, 475, 710, 722, 785, 950, 1349, 1570, 1775, 1805, 2698, 2983, 3550, 3610, 3925, 5966, 6745, 7850, 9025, 11147, 13490, 14915, 18050, 22294, 25631, 29830, 33725, 51262, 55735, 56677, 67450, 74575, 111470, 113354, 128155, 149150, 211793, 256310, 278675, 283385, 423586, 557350, 566770, 640775, 1058965, 1281550, 1416925, 2117930, 2833850, 4024067, 5294825, 8048134, 10589650, 20120335, 40240670, 100601675, 201203350]

約数ペア:

[(1, 201203350), (2, 100601675), (5, 40240670), (10, 20120335), (19, 10589650), (25, 8048134), (38, 5294825), (50, 4024067), (71, 2833850), (95, 2117930), (142, 1416925), (157, 1281550), (190, 1058965), (314, 640775), (355, 566770), (361, 557350), (475, 423586), (710, 283385), (722, 278675), (785, 256310), (950, 211793), (1349, 149150), (1570, 128155), (1775, 113354), (1805, 111470), (2698, 74575), (2983, 67450), (3550, 56677), (3610, 55735), (3925, 51262), (5966, 33725), (6745, 29830), (7850, 25631), (9025, 22294), (11147, 18050), (13490, 14915)]