82684940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1439}}^1$

素因数の和:1491

約数の個数: 72

約数和(自身を含む): 199221120

約数和(自身を除く): 116536180

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 169, 170, 221, 260, 338, 340, 442, 676, 845, 884, 1105, 1439, 1690, 2210, 2873, 2878, 3380, 4420, 5746, 5756, 7195, 11492, 14365, 14390, 18707, 24463, 28730, 28780, 37414, 48926, 57460, 74828, 93535, 97852, 122315, 187070, 243191, 244630, 318019, 374140, 486382, 489260, 636038, 972764, 1215955, 1272076, 1590095, 2431910, 3180190, 4134247, 4863820, 6360380, 8268494, 16536988, 20671235, 41342470, 82684940]

約数ペア:

[(1, 82684940), (2, 41342470), (4, 20671235), (5, 16536988), (10, 8268494), (13, 6360380), (17, 4863820), (20, 4134247), (26, 3180190), (34, 2431910), (52, 1590095), (65, 1272076), (68, 1215955), (85, 972764), (130, 636038), (169, 489260), (170, 486382), (221, 374140), (260, 318019), (338, 244630), (340, 243191), (442, 187070), (676, 122315), (845, 97852), (884, 93535), (1105, 74828), (1439, 57460), (1690, 48926), (2210, 37414), (2873, 28780), (2878, 28730), (3380, 24463), (4420, 18707), (5746, 14390), (5756, 14365), (7195, 11492)]