212040010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{599}}^1$

素因数の和:1015

約数の個数: 64

約数和(自身を含む): 471744000

約数和(自身を除く): 259703990

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 389, 455, 599, 778, 910, 1198, 1945, 2723, 2995, 3890, 4193, 5057, 5446, 5990, 7787, 8386, 10114, 13615, 15574, 20965, 25285, 27230, 35399, 38935, 41930, 50570, 54509, 70798, 77870, 109018, 176995, 233011, 272545, 353990, 466022, 545090, 1165055, 1631077, 2330110, 3029143, 3262154, 6058286, 8155385, 15145715, 16310770, 21204001, 30291430, 42408002, 106020005, 212040010]

約数ペア:

[(1, 212040010), (2, 106020005), (5, 42408002), (7, 30291430), (10, 21204001), (13, 16310770), (14, 15145715), (26, 8155385), (35, 6058286), (65, 3262154), (70, 3029143), (91, 2330110), (130, 1631077), (182, 1165055), (389, 545090), (455, 466022), (599, 353990), (778, 272545), (910, 233011), (1198, 176995), (1945, 109018), (2723, 77870), (2995, 70798), (3890, 54509), (4193, 50570), (5057, 41930), (5446, 38935), (5990, 35399), (7787, 27230), (8386, 25285), (10114, 20965), (13615, 15574)]