190004750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:247

約数の個数: 128

約数和(自身を含む): 429287040

約数和(自身を除く): 239282290

約数列:

[1, 2, 5, 10, 13, 17, 19, 25, 26, 34, 38, 50, 65, 85, 95, 125, 130, 170, 181, 190, 221, 247, 250, 323, 325, 362, 425, 442, 475, 494, 646, 650, 850, 905, 950, 1105, 1235, 1615, 1625, 1810, 2125, 2210, 2353, 2375, 2470, 3077, 3230, 3250, 3439, 4199, 4250, 4525, 4706, 4750, 5525, 6154, 6175, 6878, 8075, 8398, 9050, 11050, 11765, 12350, 15385, 16150, 17195, 20995, 22625, 23530, 27625, 30770, 30875, 34390, 40001, 40375, 41990, 44707, 45250, 55250, 58463, 58825, 61750, 76925, 80002, 80750, 85975, 89414, 104975, 116926, 117650, 153850, 171950, 200005, 209950, 223535, 292315, 294125, 384625, 400010, 429875, 447070, 524875, 584630, 588250, 760019, 769250, 859750, 1000025, 1049750, 1117675, 1461575, 1520038, 2000050, 2235350, 2923150, 3800095, 5000125, 5588375, 7307875, 7600190, 10000250, 11176750, 14615750, 19000475, 38000950, 95002375, 190004750]

約数ペア:

[(1, 190004750), (2, 95002375), (5, 38000950), (10, 19000475), (13, 14615750), (17, 11176750), (19, 10000250), (25, 7600190), (26, 7307875), (34, 5588375), (38, 5000125), (50, 3800095), (65, 2923150), (85, 2235350), (95, 2000050), (125, 1520038), (130, 1461575), (170, 1117675), (181, 1049750), (190, 1000025), (221, 859750), (247, 769250), (250, 760019), (323, 588250), (325, 584630), (362, 524875), (425, 447070), (442, 429875), (475, 400010), (494, 384625), (646, 294125), (650, 292315), (850, 223535), (905, 209950), (950, 200005), (1105, 171950), (1235, 153850), (1615, 117650), (1625, 116926), (1810, 104975), (2125, 89414), (2210, 85975), (2353, 80750), (2375, 80002), (2470, 76925), (3077, 61750), (3230, 58825), (3250, 58463), (3439, 55250), (4199, 45250), (4250, 44707), (4525, 41990), (4706, 40375), (4750, 40001), (5525, 34390), (6154, 30875), (6175, 30770), (6878, 27625), (8075, 23530), (8398, 22625), (9050, 20995), (11050, 17195), (11765, 16150), (12350, 15385)]