385980400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{373}}^1$

素因数の和:603

約数の個数: 120

約数和(自身を含む): 1006359200

約数和(自身を除く): 620378800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 199, 200, 208, 260, 325, 373, 398, 400, 520, 650, 746, 796, 995, 1040, 1300, 1492, 1592, 1865, 1990, 2587, 2600, 2984, 3184, 3730, 3980, 4849, 4975, 5174, 5200, 5968, 7460, 7960, 9325, 9698, 9950, 10348, 12935, 14920, 15920, 18650, 19396, 19900, 20696, 24245, 25870, 29840, 37300, 38792, 39800, 41392, 48490, 51740, 64675, 74227, 74600, 77584, 79600, 96980, 103480, 121225, 129350, 148454, 149200, 193960, 206960, 242450, 258700, 296908, 371135, 387920, 484900, 517400, 593816, 742270, 964951, 969800, 1034800, 1187632, 1484540, 1855675, 1929902, 1939600, 2969080, 3711350, 3859804, 4824755, 5938160, 7422700, 7719608, 9649510, 14845400, 15439216, 19299020, 24123775, 29690800, 38598040, 48247550, 77196080, 96495100, 192990200, 385980400]

約数ペア:

[(1, 385980400), (2, 192990200), (4, 96495100), (5, 77196080), (8, 48247550), (10, 38598040), (13, 29690800), (16, 24123775), (20, 19299020), (25, 15439216), (26, 14845400), (40, 9649510), (50, 7719608), (52, 7422700), (65, 5938160), (80, 4824755), (100, 3859804), (104, 3711350), (130, 2969080), (199, 1939600), (200, 1929902), (208, 1855675), (260, 1484540), (325, 1187632), (373, 1034800), (398, 969800), (400, 964951), (520, 742270), (650, 593816), (746, 517400), (796, 484900), (995, 387920), (1040, 371135), (1300, 296908), (1492, 258700), (1592, 242450), (1865, 206960), (1990, 193960), (2587, 149200), (2600, 148454), (2984, 129350), (3184, 121225), (3730, 103480), (3980, 96980), (4849, 79600), (4975, 77584), (5174, 74600), (5200, 74227), (5968, 64675), (7460, 51740), (7960, 48490), (9325, 41392), (9698, 39800), (9950, 38792), (10348, 37300), (12935, 29840), (14920, 25870), (15920, 24245), (18650, 20696), (19396, 19900)]