208601900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9439}}^1$

素因数の和:9483

約数の個数: 72

約数和(自身を含む): 516216960

約数和(自身を除く): 307615060

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 130, 170, 221, 260, 325, 340, 425, 442, 650, 850, 884, 1105, 1300, 1700, 2210, 4420, 5525, 9439, 11050, 18878, 22100, 37756, 47195, 94390, 122707, 160463, 188780, 235975, 245414, 320926, 471950, 490828, 613535, 641852, 802315, 943900, 1227070, 1604630, 2086019, 2454140, 3067675, 3209260, 4011575, 4172038, 6135350, 8023150, 8344076, 10430095, 12270700, 16046300, 20860190, 41720380, 52150475, 104300950, 208601900]

約数ペア:

[(1, 208601900), (2, 104300950), (4, 52150475), (5, 41720380), (10, 20860190), (13, 16046300), (17, 12270700), (20, 10430095), (25, 8344076), (26, 8023150), (34, 6135350), (50, 4172038), (52, 4011575), (65, 3209260), (68, 3067675), (85, 2454140), (100, 2086019), (130, 1604630), (170, 1227070), (221, 943900), (260, 802315), (325, 641852), (340, 613535), (425, 490828), (442, 471950), (650, 320926), (850, 245414), (884, 235975), (1105, 188780), (1300, 160463), (1700, 122707), (2210, 94390), (4420, 47195), (5525, 37756), (9439, 22100), (11050, 18878)]