8400210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:228

約数の個数: 128

約数和(自身を含む): 26417664

約数和(自身を除く): 18017454

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 17, 21, 26, 30, 34, 35, 39, 42, 51, 65, 70, 78, 85, 91, 102, 105, 119, 130, 170, 181, 182, 195, 210, 221, 238, 255, 273, 357, 362, 390, 442, 455, 510, 543, 546, 595, 663, 714, 905, 910, 1086, 1105, 1190, 1267, 1326, 1365, 1547, 1785, 1810, 2210, 2353, 2534, 2715, 2730, 3077, 3094, 3315, 3570, 3801, 4641, 4706, 5430, 6154, 6335, 6630, 7059, 7602, 7735, 9231, 9282, 11765, 12670, 14118, 15385, 15470, 16471, 18462, 19005, 21539, 23205, 23530, 30770, 32942, 35295, 38010, 40001, 43078, 46155, 46410, 49413, 64617, 70590, 80002, 82355, 92310, 98826, 107695, 120003, 129234, 164710, 200005, 215390, 240006, 247065, 280007, 323085, 400010, 494130, 560014, 600015, 646170, 840021, 1200030, 1400035, 1680042, 2800070, 4200105, 8400210]

約数ペア:

[(1, 8400210), (2, 4200105), (3, 2800070), (5, 1680042), (6, 1400035), (7, 1200030), (10, 840021), (13, 646170), (14, 600015), (15, 560014), (17, 494130), (21, 400010), (26, 323085), (30, 280007), (34, 247065), (35, 240006), (39, 215390), (42, 200005), (51, 164710), (65, 129234), (70, 120003), (78, 107695), (85, 98826), (91, 92310), (102, 82355), (105, 80002), (119, 70590), (130, 64617), (170, 49413), (181, 46410), (182, 46155), (195, 43078), (210, 40001), (221, 38010), (238, 35295), (255, 32942), (273, 30770), (357, 23530), (362, 23205), (390, 21539), (442, 19005), (455, 18462), (510, 16471), (543, 15470), (546, 15385), (595, 14118), (663, 12670), (714, 11765), (905, 9282), (910, 9231), (1086, 7735), (1105, 7602), (1190, 7059), (1267, 6630), (1326, 6335), (1365, 6154), (1547, 5430), (1785, 4706), (1810, 4641), (2210, 3801), (2353, 3570), (2534, 3315), (2715, 3094), (2730, 3077)]