203945370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:308

約数の個数: 96

約数和(自身を含む): 521748864

約数和(自身を除く): 317803494

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 71, 115, 138, 142, 181, 213, 230, 345, 355, 362, 426, 529, 543, 690, 710, 905, 1058, 1065, 1086, 1587, 1633, 1810, 2130, 2645, 2715, 3174, 3266, 4163, 4899, 5290, 5430, 7935, 8165, 8326, 9798, 12489, 12851, 15870, 16330, 20815, 24495, 24978, 25702, 37559, 38553, 41630, 48990, 62445, 64255, 75118, 77106, 95749, 112677, 124890, 128510, 187795, 191498, 192765, 225354, 287247, 295573, 375590, 385530, 478745, 563385, 574494, 591146, 886719, 957490, 1126770, 1436235, 1477865, 1773438, 2872470, 2955730, 4433595, 6798179, 8867190, 13596358, 20394537, 33990895, 40789074, 67981790, 101972685, 203945370]

約数ペア:

[(1, 203945370), (2, 101972685), (3, 67981790), (5, 40789074), (6, 33990895), (10, 20394537), (15, 13596358), (23, 8867190), (30, 6798179), (46, 4433595), (69, 2955730), (71, 2872470), (115, 1773438), (138, 1477865), (142, 1436235), (181, 1126770), (213, 957490), (230, 886719), (345, 591146), (355, 574494), (362, 563385), (426, 478745), (529, 385530), (543, 375590), (690, 295573), (710, 287247), (905, 225354), (1058, 192765), (1065, 191498), (1086, 187795), (1587, 128510), (1633, 124890), (1810, 112677), (2130, 95749), (2645, 77106), (2715, 75118), (3174, 64255), (3266, 62445), (4163, 48990), (4899, 41630), (5290, 38553), (5430, 37559), (7935, 25702), (8165, 24978), (8326, 24495), (9798, 20815), (12489, 16330), (12851, 15870)]