20110000900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{601}}^1\times {\mathrm{1601}}^1$

素因数の和:2246

約数の個数: 144

約数和(自身を含む): 50226160320

約数和(自身を除く): 30116159420

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 209, 220, 275, 380, 418, 475, 550, 601, 836, 950, 1045, 1100, 1202, 1601, 1900, 2090, 2404, 3005, 3202, 4180, 5225, 6010, 6404, 6611, 8005, 10450, 11419, 12020, 13222, 15025, 16010, 17611, 20900, 22838, 26444, 30050, 30419, 32020, 33055, 35222, 40025, 45676, 57095, 60100, 60838, 66110, 70444, 80050, 88055, 114190, 121676, 125609, 132220, 152095, 160100, 165275, 176110, 228380, 251218, 285475, 304190, 330550, 334609, 352220, 440275, 502436, 570950, 608380, 628045, 661100, 669218, 760475, 880550, 962201, 1141900, 1256090, 1338436, 1520950, 1673045, 1761100, 1924402, 2512180, 3041900, 3140225, 3346090, 3848804, 4811005, 6280450, 6692180, 8365225, 9622010, 10584211, 12560900, 16730450, 18281819, 19244020, 21168422, 24055025, 33460900, 36563638, 42336844, 48110050, 52921055, 73127276, 91409095, 96220100, 105842110, 182818190, 201100009, 211684220, 264605275, 365636380, 402200018, 457045475, 529210550, 804400036, 914090950, 1005500045, 1058421100, 1828181900, 2011000090, 4022000180, 5027500225, 10055000450, 20110000900]

約数ペア:

[(1, 20110000900), (2, 10055000450), (4, 5027500225), (5, 4022000180), (10, 2011000090), (11, 1828181900), (19, 1058421100), (20, 1005500045), (22, 914090950), (25, 804400036), (38, 529210550), (44, 457045475), (50, 402200018), (55, 365636380), (76, 264605275), (95, 211684220), (100, 201100009), (110, 182818190), (190, 105842110), (209, 96220100), (220, 91409095), (275, 73127276), (380, 52921055), (418, 48110050), (475, 42336844), (550, 36563638), (601, 33460900), (836, 24055025), (950, 21168422), (1045, 19244020), (1100, 18281819), (1202, 16730450), (1601, 12560900), (1900, 10584211), (2090, 9622010), (2404, 8365225), (3005, 6692180), (3202, 6280450), (4180, 4811005), (5225, 3848804), (6010, 3346090), (6404, 3140225), (6611, 3041900), (8005, 2512180), (10450, 1924402), (11419, 1761100), (12020, 1673045), (13222, 1520950), (15025, 1338436), (16010, 1256090), (17611, 1141900), (20900, 962201), (22838, 880550), (26444, 760475), (30050, 669218), (30419, 661100), (32020, 628045), (33055, 608380), (35222, 570950), (40025, 502436), (45676, 440275), (57095, 352220), (60100, 334609), (60838, 330550), (66110, 304190), (70444, 285475), (80050, 251218), (88055, 228380), (114190, 176110), (121676, 165275), (125609, 160100), (132220, 152095)]