238423640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3853}}^1$

素因数の和:3901

約数の個数: 128

約数和(自身を含む): 699269760

約数和(自身を除く): 460846120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 136, 140, 170, 182, 221, 238, 260, 280, 340, 364, 442, 455, 476, 520, 595, 680, 728, 884, 910, 952, 1105, 1190, 1547, 1768, 1820, 2210, 2380, 3094, 3640, 3853, 4420, 4760, 6188, 7706, 7735, 8840, 12376, 15412, 15470, 19265, 26971, 30824, 30940, 38530, 50089, 53942, 61880, 65501, 77060, 100178, 107884, 131002, 134855, 154120, 200356, 215768, 250445, 262004, 269710, 327505, 350623, 400712, 458507, 500890, 524008, 539420, 655010, 701246, 851513, 917014, 1001780, 1078840, 1310020, 1402492, 1703026, 1753115, 1834028, 2003560, 2292535, 2620040, 2804984, 3406052, 3506230, 3668056, 4257565, 4585070, 5960591, 6812104, 7012460, 8515130, 9170140, 11921182, 14024920, 17030260, 18340280, 23842364, 29802955, 34060520, 47684728, 59605910, 119211820, 238423640]

約数ペア:

[(1, 238423640), (2, 119211820), (4, 59605910), (5, 47684728), (7, 34060520), (8, 29802955), (10, 23842364), (13, 18340280), (14, 17030260), (17, 14024920), (20, 11921182), (26, 9170140), (28, 8515130), (34, 7012460), (35, 6812104), (40, 5960591), (52, 4585070), (56, 4257565), (65, 3668056), (68, 3506230), (70, 3406052), (85, 2804984), (91, 2620040), (104, 2292535), (119, 2003560), (130, 1834028), (136, 1753115), (140, 1703026), (170, 1402492), (182, 1310020), (221, 1078840), (238, 1001780), (260, 917014), (280, 851513), (340, 701246), (364, 655010), (442, 539420), (455, 524008), (476, 500890), (520, 458507), (595, 400712), (680, 350623), (728, 327505), (884, 269710), (910, 262004), (952, 250445), (1105, 215768), (1190, 200356), (1547, 154120), (1768, 134855), (1820, 131002), (2210, 107884), (2380, 100178), (3094, 77060), (3640, 65501), (3853, 61880), (4420, 53942), (4760, 50089), (6188, 38530), (7706, 30940), (7735, 30824), (8840, 26971), (12376, 19265), (15412, 15470)]