216222520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{4253}}^1$

素因数の和:4336

約数の個数: 64

約数和(自身を含む): 514563840

約数和(自身を除く): 298341320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 410, 620, 820, 1240, 1271, 1640, 2542, 4253, 5084, 6355, 8506, 10168, 12710, 17012, 21265, 25420, 34024, 42530, 50840, 85060, 131843, 170120, 174373, 263686, 348746, 527372, 659215, 697492, 871865, 1054744, 1318430, 1394984, 1743730, 2636860, 3487460, 5273720, 5405563, 6974920, 10811126, 21622252, 27027815, 43244504, 54055630, 108111260, 216222520]

約数ペア:

[(1, 216222520), (2, 108111260), (4, 54055630), (5, 43244504), (8, 27027815), (10, 21622252), (20, 10811126), (31, 6974920), (40, 5405563), (41, 5273720), (62, 3487460), (82, 2636860), (124, 1743730), (155, 1394984), (164, 1318430), (205, 1054744), (248, 871865), (310, 697492), (328, 659215), (410, 527372), (620, 348746), (820, 263686), (1240, 174373), (1271, 170120), (1640, 131843), (2542, 85060), (4253, 50840), (5084, 42530), (6355, 34024), (8506, 25420), (10168, 21265), (12710, 17012)]