211980300100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{28181}}^1$

素因数の和:28358

約数の個数: 144

約数和(自身を含む): 501959747520

約数和(自身を除く): 289979447420

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 37, 38, 50, 74, 76, 95, 100, 107, 148, 185, 190, 214, 370, 380, 428, 475, 535, 703, 740, 925, 950, 1070, 1406, 1850, 1900, 2033, 2140, 2675, 2812, 3515, 3700, 3959, 4066, 5350, 7030, 7918, 8132, 10165, 10700, 14060, 15836, 17575, 19795, 20330, 28181, 35150, 39590, 40660, 50825, 56362, 70300, 75221, 79180, 98975, 101650, 112724, 140905, 150442, 197950, 203300, 281810, 300884, 376105, 395900, 535439, 563620, 704525, 752210, 1042697, 1070878, 1409050, 1504420, 1880525, 2085394, 2141756, 2677195, 2818100, 3015367, 3761050, 4170788, 5213485, 5354390, 6030734, 7522100, 10426970, 10708780, 12061468, 13385975, 15076835, 19811243, 20853940, 26067425, 26771950, 30153670, 39622486, 52134850, 53543900, 57291973, 60307340, 75384175, 79244972, 99056215, 104269700, 111568579, 114583946, 150768350, 198112430, 223137158, 229167892, 286459865, 301536700, 396224860, 446274316, 495281075, 557842895, 572919730, 990562150, 1115685790, 1145839460, 1432299325, 1981124300, 2119803001, 2231371580, 2789214475, 2864598650, 4239606002, 5578428950, 5729197300, 8479212004, 10599015005, 11156857900, 21198030010, 42396060020, 52995075025, 105990150050, 211980300100]

約数ペア:

[(1, 211980300100), (2, 105990150050), (4, 52995075025), (5, 42396060020), (10, 21198030010), (19, 11156857900), (20, 10599015005), (25, 8479212004), (37, 5729197300), (38, 5578428950), (50, 4239606002), (74, 2864598650), (76, 2789214475), (95, 2231371580), (100, 2119803001), (107, 1981124300), (148, 1432299325), (185, 1145839460), (190, 1115685790), (214, 990562150), (370, 572919730), (380, 557842895), (428, 495281075), (475, 446274316), (535, 396224860), (703, 301536700), (740, 286459865), (925, 229167892), (950, 223137158), (1070, 198112430), (1406, 150768350), (1850, 114583946), (1900, 111568579), (2033, 104269700), (2140, 99056215), (2675, 79244972), (2812, 75384175), (3515, 60307340), (3700, 57291973), (3959, 53543900), (4066, 52134850), (5350, 39622486), (7030, 30153670), (7918, 26771950), (8132, 26067425), (10165, 20853940), (10700, 19811243), (14060, 15076835), (15836, 13385975), (17575, 12061468), (19795, 10708780), (20330, 10426970), (28181, 7522100), (35150, 6030734), (39590, 5354390), (40660, 5213485), (50825, 4170788), (56362, 3761050), (70300, 3015367), (75221, 2818100), (79180, 2677195), (98975, 2141756), (101650, 2085394), (112724, 1880525), (140905, 1504420), (150442, 1409050), (197950, 1070878), (203300, 1042697), (281810, 752210), (300884, 704525), (376105, 563620), (395900, 535439)]