258664900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:302

約数の個数: 144

約数和(自身を含む): 649208448

約数和(自身を除く): 390543548

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 25, 26, 41, 46, 50, 52, 65, 82, 92, 100, 115, 130, 164, 205, 211, 230, 260, 299, 325, 410, 422, 460, 533, 575, 598, 650, 820, 844, 943, 1025, 1055, 1066, 1150, 1196, 1300, 1495, 1886, 2050, 2110, 2132, 2300, 2665, 2743, 2990, 3772, 4100, 4220, 4715, 4853, 5275, 5330, 5486, 5980, 7475, 8651, 9430, 9706, 10550, 10660, 10972, 12259, 13325, 13715, 14950, 17302, 18860, 19412, 21100, 23575, 24265, 24518, 26650, 27430, 29900, 34604, 43255, 47150, 48530, 49036, 53300, 54860, 61295, 63089, 68575, 86510, 94300, 97060, 112463, 121325, 122590, 126178, 137150, 173020, 198973, 216275, 224926, 242650, 245180, 252356, 274300, 306475, 315445, 397946, 432550, 449852, 485300, 562315, 612950, 630890, 795892, 865100, 994865, 1124630, 1225900, 1261780, 1577225, 1989730, 2249260, 2586649, 2811575, 3154450, 3979460, 4974325, 5173298, 5623150, 6308900, 9948650, 10346596, 11246300, 12933245, 19897300, 25866490, 51732980, 64666225, 129332450, 258664900]

約数ペア:

[(1, 258664900), (2, 129332450), (4, 64666225), (5, 51732980), (10, 25866490), (13, 19897300), (20, 12933245), (23, 11246300), (25, 10346596), (26, 9948650), (41, 6308900), (46, 5623150), (50, 5173298), (52, 4974325), (65, 3979460), (82, 3154450), (92, 2811575), (100, 2586649), (115, 2249260), (130, 1989730), (164, 1577225), (205, 1261780), (211, 1225900), (230, 1124630), (260, 994865), (299, 865100), (325, 795892), (410, 630890), (422, 612950), (460, 562315), (533, 485300), (575, 449852), (598, 432550), (650, 397946), (820, 315445), (844, 306475), (943, 274300), (1025, 252356), (1055, 245180), (1066, 242650), (1150, 224926), (1196, 216275), (1300, 198973), (1495, 173020), (1886, 137150), (2050, 126178), (2110, 122590), (2132, 121325), (2300, 112463), (2665, 97060), (2743, 94300), (2990, 86510), (3772, 68575), (4100, 63089), (4220, 61295), (4715, 54860), (4853, 53300), (5275, 49036), (5330, 48530), (5486, 47150), (5980, 43255), (7475, 34604), (8651, 29900), (9430, 27430), (9706, 26650), (10550, 24518), (10660, 24265), (10972, 23575), (12259, 21100), (13325, 19412), (13715, 18860), (14950, 17302)]